undiesvsunitesWhat's the difference?

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

Which to use

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

#33,471
“undies” frequency rank
#24,046
“unites” frequency rank
57517
confusion score

Side-by-Side Comparison

Feature undies unites
Definition underwear, underpants third-person singular simple present indicative of unite

Where the spellings diverge

Shared letters are muted; the letters that actually set undies and unites apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

6 ch
undies
6 ch
unites

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: undies is /ˈʌn.dis/ while unites is /juːˈnaɪts/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 57517, derived from the frequency rank of both members and their visual similarity.

undies is recorded at frequency rank #33,471, classified as anoun, pronounced /ˈʌn.dis/. unites is at rank #24,046, tagged as averb, pronounced /juːˈnaɪts/.

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 57517, this pair ranks #118,785 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of undies vs unites

Shared letters: einsu. Private to "undies": d. Private to "unites": t.

"undies" · 6 letters · shape VCCVVC  ·  "unites" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • undiesnudies · udnies · unddies · undeis · undiess · undise · unides · unndies
  • unitesnuites · uintes · uniets · unitess · unitse · unittes · unnites · unties

Frequency comparison

undies#33,471
unites#24,046

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "undies" and "unites" be used interchangeably?
No - they are not even the same part of speech. "undies" is a noun and "unites" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "undies" or "unites"?
"unites" is the more common of the two: it sits at frequency rank #24,046 in our English list, against #33,471 for "undies". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering undies vs unites

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “undies”; for a verb, it's “unites”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “undies” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list