prefervspretermWhat's the difference?

Quick tell: prefer is a verb, preterm is an adjective, so they fill different roles in a sentence.

Which to use

“prefer” is a verb and “preterm” is an adjective - they look or sound alike but fill different roles in a sentence.

#2,640
“prefer” frequency rank
#39,491
“preterm” frequency rank
42131
confusion score

Side-by-Side Comparison

Feature prefer preterm
Definition To be in the habit of choosing something rather than something else; to favor; to like better. Of a premature birth or baby.

Letter map: prefer vs preterm

Shared letters muted; letters that set prefer and preterm apart highlighted. Shared run: 5.

6 ch
prefer
7 ch
preterm

Role in the sentence - prefer and preterm

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: prefer is averb and pretermanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42131, derived from the frequency rank of both members and their visual similarity.

prefer is recorded at frequency rank #2,640, classified as averb, pronounced [pɹɪˈfɝ]. preterm is at rank #39,491, tagged as anadj.

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 42131, this pair ranks #252,028 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of prefer vs preterm

Shared letters: epr. Private to "prefer": f. Private to "preterm": mt.

"prefer" · 6 letters · shape CCVCVC  ·  "preterm" · 7 letters · shape CCVCVCC

Known mistypes of this pair

  • preferperfer · pprefer · preefr · preferr · preffer · prefre · prfeer · prrefer
  • pretermperterm · ppreterm · preetrm · pretemr · pretermm · preterrm · pretrem · pretterm

Frequently Asked Questions

Do "prefer" and "preterm" mean the same thing in a sentence?
No - they are not even the same part of speech. "prefer" is a verb and "preterm" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "prefer" or "preterm" show up more?
"prefer" is the more common of the two: it sits at frequency rank #2,640 in our English list, against #39,491 for "preterm". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "prefer" and "preterm". Here's where to go from here.

  • Full dictionary entry for "prefer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "preterm" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #252,028 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "prefer" and "preterm" also get mixed up with nearby pairs, the highest-scored neighbour is "preterm vs pretext". 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 #252,028 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