IQ vs its, What's the Difference?

Which to use

“IQ” is a noun and “its” is a determiner - they look or sound alike but fill different roles in a sentence.

#11,406
“IQ” frequency rank: #75
“its” frequency rank: 11481
confusion score

Side-by-Side Comparison

Feature	IQ	its
Definition	Initialism of intelligence quotient.	Belonging to it.

Where the eye mixes IQ and its

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch

3 ch

its

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: IQ is /ˌaɪ ˈkjuː/ while its is /ɪts/. 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 (noun vs determiner), which is usually the fastest check. Our composite confusion score for this pair is 11481, derived from the frequency rank of both members and their visual similarity.

IQ is recorded at frequency rank #11,406, classified as anoun, pronounced /ˌaɪ ˈkjuː/. its is at rank #75, tagged as adet, pronounced /ɪts/.

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 11481, this pair ranks #486,803 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of IQ vs its

Shared letters: i. Private to "IQ": q. Private to "its": st.

"IQ" · 2 letters · shape VC · "its" · 3 letters · shape VCC

Frequently Asked Questions

Can "IQ" and "its" be used interchangeably?

No - they are not even the same part of speech. "IQ" is a noun and "its" a determiner, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "IQ" or "its"?

"its" is the more common of the two: it sits at frequency rank #75 in our English list, against #11,406 for "IQ". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.