APIvsaskWhat's the difference?

Quick tell: API is a noun, ask is a verb, so they fill different roles in a sentence.

Which to use

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

#11,501
“API” frequency rank
#453
“ask” frequency rank
11954
confusion score

Side-by-Side Comparison

Feature API ask
Definition Initialism of active pharmaceutical ingredient. To request or petition.

Where the spellings diverge

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

3 ch
API
3 ch
ask

Spelling & Dictionary Insight

API and ask form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 11954, 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/. ask is at rank #453, tagged as averb, pronounced /ɑːsk/.

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 11954, this pair ranks #484,221 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

API#11,501
ask#453

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "API" and "ask" be used interchangeably?
No, "API" and "ask" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering API vs ask

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “API”; for a verb, it's “ask”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “API” 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