simulatevsstipulateTell them apart

Which to use

“simulate” and “stipulate” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#16,346
“simulate” frequency rank
#38,634
“stipulate” frequency rank
54980
confusion score

Side-by-Side Comparison

Feature simulate stipulate
Definition To model, replicate, duplicate the behavior, appearance or properties of. To require (something) as a condition of a contract or agreement.

Where the eye mixes simulate and stipulate

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

8 ch
simulate
9 ch
stipulate

Why the eye confuses simulate with stipulate

A purely visual mix-up. simulate (/ˈsɪm.jʊˌleɪt/) and stipulate (/ˈstɪpjuˌleɪt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 54980, derived from the frequency rank of both members and their visual similarity.

simulate is recorded at frequency rank #16,346, classified as averb, pronounced /ˈsɪm.jʊˌleɪt/. stipulate is at rank #38,634, tagged as averb, pronounced /ˈstɪpjuˌleɪt/.

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 54980, this pair ranks #137,036 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of simulate vs stipulate

Shared letters: aeilstu. Private to "simulate": m. Private to "stipulate": p.

"simulate" · 8 letters · shape CVCVCVCV  ·  "stipulate" · 9 letters · shape CCVCVCVCV

Known mistypes of this pair

  • simulateismulate · simluate · simmulate · simualte · simulaet · simulatte · simullate · simultae
  • stipulatesitpulate · sstipulate · stipluate · stippulate · stipualte · stipulaet · stipulatte · stipullate

Frequently Asked Questions

Is swapping "simulate" for "stipulate" ever safe?
No. They are said differently (/ˈsɪm.jʊˌleɪt/ versus /ˈstɪpjuˌleɪt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "simulate" or "stipulate"?
"simulate" is the more common of the two: it sits at frequency rank #16,346 in our English list, against #38,634 for "stipulate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "simulate" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "stipulate" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #137,036 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "simulate" and "stipulate" also get mixed up with nearby pairs, the highest-scored neighbour is "stipulate vs stipulated". 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 #137,036 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