populatevspostulateWhich spelling fits?

Quick tell: populate is a verb, postulate is a noun, so they fill different roles in a sentence.

Which to use

“populate” is a verb and “postulate” is a noun - they look or sound alike but fill different roles in a sentence.

#34,228
“populate” frequency rank
#47,269
“postulate” frequency rank
81497
confusion score

Side-by-Side Comparison

Feature populate postulate
Definition To supply with inhabitants; to people. Something assumed without proof as being self-evident or generally accepted, especially when used as a basis for an argument. Sometimes distinguished from axioms as being relevant to a particular science or context, rather than universally true, and following from other axioms rather than being an absolute assumption.

Where the eye mixes populate and postulate

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

8 ch
populate
9 ch
postulate

Look-alike desk: populate vs postulate

These two trip readers on the page rather than in the ear: populate is /ˈpɒp.jʊˌleɪt/ while postulate is /ˈpɒstjʊlət/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 81497, derived from the frequency rank of both members and their visual similarity.

populate is recorded at frequency rank #34,228, classified as averb, pronounced /ˈpɒp.jʊˌleɪt/. postulate is at rank #47,269, tagged as anoun, pronounced /ˈpɒstjʊlət/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 81497, this pair ranks #17,552 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of populate vs postulate

Shared letters: aeloptu. Private to "populate": -. Private to "postulate": s.

"populate" · 8 letters · shape CVCVCVCV  ·  "postulate" · 9 letters · shape CVCCVCVCV

Known mistypes of this pair

  • populateoppulate · popluate · poppulate · popualte · populaet · populatte · popullate · popultae
  • postulateopstulate · posstulate · postluate · posttulate · postualte · postulaet · postulatte · postullate

Frequently Asked Questions

Do "populate" and "postulate" mean the same thing in a sentence?
No - they are not even the same part of speech. "populate" is a verb and "postulate" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "populate" or "postulate"?
"populate" is the more common of the two: it sits at frequency rank #34,228 in our English list, against #47,269 for "postulate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "populate" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "postulate" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,552 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "populate" and "postulate" also get mixed up with nearby pairs, the highest-scored neighbour is "populace vs populate". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #17,552 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list