Which to use
“fatal” is an adjective and “fatally” is an adverb - they look or sound alike but fill different roles in a sentence.
- #6,051
- “fatal” frequency rank
- #18,822
- “fatally” frequency rank
- 24873
- confusion score
Side-by-Side Comparison
| Feature | fatal | fatally |
|---|---|---|
| Definition | Proceeding from, or appointed by, fate or destiny. | In a deadly manner; lethally. |
Where the spellings diverge
Shared letters are muted; the letters that actually set fatal and fatally apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
fatal and fatally form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “fatal” sits inside “fatally” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 24873, derived from the frequency rank of both members and their visual similarity.
fatal is recorded at frequency rank #6,051, classified as anadj, pronounced /ˈfeɪ.təl/. fatally is at rank #18,822, tagged as anadv, pronounced /ˈfeɪtəli/.
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 24873, this pair ranks #398,684 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "fatal" and "fatally" be used interchangeably?
Remembering fatal vs fatally
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “fatal”; for an adverb, it's “fatally”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “fatal” entry
- Browse more pairs most likely to be confused. Most confusable