API vs are, What's the Difference?

Which to use

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

#11,501
“API” frequency rank: #19
“are” frequency rank: 11520
confusion score

Side-by-Side Comparison

Feature	API	are
Definition	Initialism of active pharmaceutical ingredient.	second-person singular simple present of be

Where the eye mixes API and are

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

3 ch

API

3 ch

are

Visual trap between API and are

These two trip readers on the page rather than in the ear: API is /ˌeɪˌpiˈaɪ/ while are is /ə(ɹ)/. 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 11520, derived from the frequency rank of both members and their visual similarity.

API is recorded at frequency rank #11,501, classified as anoun, pronounced /ˌeɪˌpiˈaɪ/. are is at rank #19, tagged as averb, pronounced /ə(ɹ)/.

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 11520, this pair ranks #486,578 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of API vs are

Shared letters: a. Private to "API": ip. Private to "are": er.

"API" · 3 letters · shape VCV · "are" · 3 letters · shape VCV

Frequently Asked Questions

Do "API" and "are" mean the same thing in a sentence?

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

In ordinary English text, does "API" or "are" show up more?

"are" is the more common of the two: it sits at frequency rank #19 in our English list, against #11,501 for "API". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "API" and "are" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "API" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "are" - compare definitions side by side with the headword page. Word entry
This pair ranks #486,578 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"API" and "are" also get mixed up with nearby pairs, the highest-scored neighbour is "amb vs API". Nearby pair

Confusion rank #486,578 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.