its vs IV, What's the Difference?

Which to use

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

#75
“its” frequency rank: #3,762
“IV” frequency rank: 3837
confusion score

Side-by-Side Comparison

Feature	its	IV
Definition	Belonging to it.	Abbreviation of intravenous.

Where the eye mixes its and IV

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

3 ch

its

2 ch

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: its is /ɪts/ while IV is /ˌaɪ ˈviː/. 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 (determiner vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 3837, derived from the frequency rank of both members and their visual similarity.

its is recorded at frequency rank #75, classified as adet, pronounced /ɪts/. IV is at rank #3,762, tagged as anadj, pronounced /ˌaɪ ˈviː/.

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 3837, this pair ranks #520,837 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of its vs IV

Shared letters: i. Private to "its": st. Private to "IV": v.

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

Frequently Asked Questions

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

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

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

"its" is the more common of the two: it sits at frequency rank #75 in our English list, against #3,762 for "IV". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "its" and "IV". Here's where to go from here.

Full dictionary entry for "its" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "IV" - compare definitions side by side with the headword page. Word entry
This pair ranks #520,837 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"its" and "IV" also get mixed up with nearby pairs, the highest-scored neighbour is "ith vs IV". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.