activatevsactivityWhat's the difference?

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

Which to use

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

#10,159
“activate” frequency rank
#1,444
“activity” frequency rank
11603
confusion score

Side-by-Side Comparison

Feature activate activity
Definition To encourage development or induce increased activity; to stimulate. The state or quality of being active; activeness.

Where the eye mixes activate and activity

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
activate
8 ch
activity

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: activate is /ˈæktɪˌveɪt/ while activity is /ækˈtɪv.ɪ.ti/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11603, derived from the frequency rank of both members and their visual similarity.

activate is recorded at frequency rank #10,159, classified as averb, pronounced /ˈæktɪˌveɪt/. activity is at rank #1,444, tagged as anoun, pronounced /ækˈtɪv.ɪ.ti/.

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 11603, this pair ranks #486,156 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of activate vs activity

Shared letters: acitv. Private to "activate": e. Private to "activity": y.

"activate" · 8 letters · shape VCCVCVCV  ·  "activity" · 8 letters · shape VCCVCVCV

Known mistypes of this pair

  • activateacctivate · acitvate · actiavte · activaet · activatte · activtae · activvate · acttivate
  • activityacctivity · acitvity · actiivty · activitty · activityy · activiyt · activtiy · activvity

Frequently Asked Questions

Can "activate" and "activity" be used interchangeably?
No - they are not even the same part of speech. "activate" is a verb and "activity" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "activate" or "activity"?
"activity" is the more common of the two: it sits at frequency rank #1,444 in our English list, against #10,159 for "activate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "activate" and "activity". Here's where to go from here.

  • Full dictionary entry for "activate" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "activity" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #486,156 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "activate" and "activity" also get mixed up with nearby pairs, the highest-scored neighbour is "activate vs activator". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

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

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list