IASvsICWhat's the difference?

Which to use

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

#31,214
“IAS” frequency rank
#13,931
“IC” frequency rank
45145
confusion score

Side-by-Side Comparison

Feature IAS IC
Definition Initialism of indicated airspeed. Initialism of independent contractor.

Where the spellings diverge

Shared letters are muted; the letters that actually set IAS and IC apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
IAS
2 ch
IC

Spelling & Dictionary Insight

IAS and IC are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45145, derived from the frequency rank of both members and their visual similarity.

IAS is recorded at frequency rank #31,214, classified as anoun. IC is at rank #13,931, tagged as anoun.

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 45145, this pair ranks #223,995 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of IAS vs IC

Shared letters: i. Private to "IAS": as. Private to "IC": c.

"IAS" · 3 letters · shape VVC  ·  "IC" · 2 letters · shape VC

Frequency comparison

IAS#31,214
IC#13,931

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "IAS" and "IC" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "IAS" or "IC"?
"IC" is the more common of the two: it sits at frequency rank #13,931 in our English list, against #31,214 for "IAS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering IAS vs IC

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “IAS” 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 FrequencyWords open word-frequency list