Which to use
“passively” is an adverb and “passivity” is a noun - they look or sound alike but fill different roles in a sentence.
- #28,663
- “passively” frequency rank
- #47,248
- “passivity” frequency rank
- 75911
- confusion score
Side-by-Side Comparison
| Feature | passively | passivity |
|---|---|---|
| Definition | In a passive manner; without conscious or self-directed action. | The state of being passive. |
Where the eye mixes passively and passivity
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.
Why the eye confuses passively with passivity
These two trip readers on the page rather than in the ear: passively is /ˈpæs.ɪv.li/ while passivity is /pæˈsɪvɪti/. 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 (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 75911, derived from the frequency rank of both members and their visual similarity.
passively is recorded at frequency rank #28,663, classified as anadv, pronounced /ˈpæs.ɪv.li/. passivity is at rank #47,248, tagged as anoun, pronounced /pæˈsɪvɪti/.
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 75911, this pair ranks #31,683 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of passively vs passivity
Shared letters: aipsvy. Private to "passively": el. Private to "passivity": t.
"passively" · 9 letters · shape CVCCVCVCV · "passivity" · 9 letters · shape CVCCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "passively" for "passivity" ever safe?
Which is more common, "passively" or "passivity"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "passively" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "passivity" - compare definitions side by side with the headword page. Word entry
- This pair ranks #31,683 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "passively" and "passivity" also get mixed up with nearby pairs, the highest-scored neighbour is "passive vs passively". 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
Confusion rank #31,683 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.