IBS vs ices, What's the Difference?

Which to use

“IBS” is an adjective and “ices” is a noun - they look or sound alike but fill different roles in a sentence.

#32,851
“IBS” frequency rank: #48,810
“ices” frequency rank: 81661
confusion score

Side-by-Side Comparison

Feature	IBS	ices
Definition	Initialism of identical by state.	plural of ice

Where the spellings diverge

Shared letters are muted; the letters that actually set IBS and ices apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch

IBS

4 ch

ices

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: IBS is /aɪ.biːˈɛs/ while ices is /ˈaɪsɪz/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 81661, derived from the frequency rank of both members and their visual similarity.

IBS is recorded at frequency rank #32,851, classified as anadj, pronounced /aɪ.biːˈɛs/. ices is at rank #48,810, tagged as anoun, pronounced /ˈaɪsɪz/.

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 81661, this pair ranks #17,224 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of IBS vs ices

Shared letters: is. Private to "IBS": b. Private to "ices": ce.

"IBS" · 3 letters · shape VCC · "ices" · 4 letters · shape VCVC

Known mistypes of this pair

ices ← cies · icces · icess · icse · iecs

Frequency comparison

IBS#32,851

ices#48,810

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "IBS" and "ices" be used interchangeably?

No - they are not even the same part of speech. "IBS" is an adjective and "ices" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "IBS" or "ices"?

"IBS" is the more common of the two: it sits at frequency rank #32,851 in our English list, against #48,810 for "ices". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering IBS vs ices

The fastest way to pick the right one every time.

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