Related Keywords SEO: Should You Use Synonyms and Related Terms in Your Content?

August 16, 2025
Related Keywords SEO: Should You Use Synonyms and Related Terms in Your Content?

Let’s get straight to the point: is it actually good to use synonyms and related terms in your content, or is that just another thing SEO folks say to sound clever at meetings? (Spoiler: it’s not just for show.)

Why Synonyms and Related Keywords Matter for SEO

If you’ve ever tried reading a blog post where the same keyword is repeated like a broken record, you know it’s about as enjoyable as a Monday morning with no coffee. Search engines agree. Google’s algorithms have grown up — they’re not just looking for exact-match keywords anymore. They want context, nuance, and, dare we say, a little personality.

Using synonyms and related keywords in SEO helps search engines understand the full picture of your content. Instead of fixating on one phrase, Google now looks for semantic relationships — how words connect and what they mean together. This is called semantic search, and it’s a big deal. According to industry research, content that naturally weaves in related terms tends to rank higher because it matches a wider variety of search queries.

And let’s be honest: nobody wants to read “best running shoes” fifteen times in a row. Not even Google.

The Data: Synonyms, Engagement, and SEO Performance

Let’s talk numbers (don’t worry, we’ll keep it light):

  • Articles between 2,250 and 2,500 words get the most organic traffic and social shares. (HubSpot)
  • The average blog post is now 53% longer than it was six years ago. (Yes, we’re all writing more. Sorry, wrists.)
  • 73% of readers skim blog articles, while only 27% read every word. (Content Marketing Institute)
  • The average time spent on a blog post is about 7 minutes.

What does this mean for you? Readers want comprehensive, engaging content — but they’re also skimming. Using synonyms and related terms keeps your writing fresh and helps key points land, even for those just breezing through.

Expert Insights: What the Pros Say

SEO professionals and content strategists have been singing the praises of related keywords for years. Here’s a quick round-up of what the experts recommend:

  • Neil Patel: “Using synonyms and LSI (Latent Semantic Indexing) keywords helps Google understand your content’s context, which can boost your rankings for a broader set of queries.” (Neil Patel)
  • Google’s own Search Quality Evaluator Guidelines encourage content creators to write naturally and avoid keyword stuffing, emphasizing the importance of context and relevance.
  • Moz: “Keyword variation is essential for modern SEO. It’s not just about the main keyword anymore — it’s about the topic as a whole.” (Moz)

So, if you’re still clinging to the old “one keyword to rule them all” strategy, it might be time for a gentle intervention.

Best Practices: How to Use Synonyms and Related Terms (Without Sounding Like a Thesaurus)

Let’s be real: nobody wants to read content that sounds like it was written by a robot with a word-of-the-day calendar. Here’s how to keep your writing natural and effective:

1. Write for Humans First

If your content reads awkwardly, your readers (and Google) will notice. Use synonyms where they fit naturally. If you wouldn’t say it out loud, don’t write it.

2. Know Your Audience

Are you writing for tech-savvy marketers or small business owners who just want the basics? Adjust your language accordingly. Technical audiences might appreciate industry jargon, while a broader audience will thank you for plain English (and maybe a joke or two).

3. Balance Keyword Density

Yes, you still need your main keyword. But don’t overdo it. Sprinkle in related keywords SEO-style, and your content will be more readable — and more likely to rank.

4. Use Tools (Or Let Us Do It For You)

There are plenty of tools out there to help you find related terms and synonyms. Or, you know, you could just let us at Blogging Machine handle it. Our AI agent is basically a synonym ninja — no awkward phrasing, just smooth, optimized content.

Industry Trends: The Content Arms Race

Content isn’t just a “nice-to-have” anymore. Over 85% of companies plan to maintain or increase their investment in content. Brands are realizing that diverse, well-written content gives them more opportunities to rank for different keywords and reach wider audiences.

The trend is clear: quality trumps quantity, and strategic use of related keywords SEO is a big part of that quality. As content gets longer and more detailed, using a rich vocabulary isn’t just smart — it’s essential.

The Subtle Art of Not Keyword Stuffing

Remember the days when SEO meant jamming as many keywords as possible into a paragraph? (We try not to.) Google’s algorithms are now sophisticated enough to spot keyword stuffing from a mile away. Instead, they reward content that’s relevant, well-structured, and easy to read.

By using synonyms and related terms, you:

  • Avoid repetitive, boring writing
  • Improve readability and engagement
  • Help search engines understand your topic
  • Increase your chances of ranking for a wider range of queries

It’s a win-win-win-win. (That’s four wins. We counted.)

Why Blogging Machine Makes This Effortless

Let’s face it: keeping up with SEO best practices, researching related keywords, and writing engaging content is a full-time job. Or, you could let us do it. Blogging Machine uses AI to generate SEO-optimized articles that naturally incorporate synonyms and related terms — no keyword stuffing, no awkward phrasing, just high-performing content that gets results.

We handle the research, the optimization, and the writing. You get more organic traffic, more time to focus on your business, and fewer headaches. (We can’t help with your coffee addiction, though.)

Useful Resources

FAQ

Should I use synonyms and related terms in every blog post?

Absolutely. Using synonyms and related keywords SEO-style helps your content reach a broader audience and rank for more search queries. Just keep it natural — don’t force it.

Can using too many synonyms hurt my SEO?

If you go overboard and your content starts to sound unnatural, it can hurt readability (and your rankings). The key is balance: use synonyms where they make sense, but don’t sacrifice clarity.

What’s the difference between synonyms and related keywords?

Synonyms are words with similar meanings (like “car” and “automobile”). Related keywords are terms connected to your main topic (like “car insurance” or “auto repair”). Both help search engines understand your content’s context.

How can I find the best related keywords for my content?

You can use tools like Google’s Keyword Planner, Moz, or SEMrush. Or, let us at Blogging Machine handle it for you — our AI agent does the heavy lifting.

Does Google officially recommend using synonyms?

While Google doesn’t say “use synonyms or else,” their guidelines encourage natural, relevant content that covers a topic comprehensively. Using synonyms and related terms is a proven way to achieve that.

Bottom line: If you want your content to perform, engage, and actually get read (by humans and robots alike), start weaving in those synonyms and related keywords. Or just let us do it — because, let’s be honest, you’ve got better things to do.