accidentvsaccidentalWhat's the difference?

Quick tell: accident is a noun, accidental is an adjective, so they fill different roles in a sentence.

Which to use

“accident” is a noun and “accidental” is an adjective - they look or sound alike but fill different roles in a sentence.

#1,979
“accident” frequency rank
#9,277
“accidental” frequency rank
11256
confusion score

Side-by-Side Comparison

Feature accident accidental
Definition An unexpected event with negative consequences occurring without the intention of the one suffering the consequences, and (in the strict sense) not directly caused by humans. Pertaining to accident and not essence; thus, inessential; incidental; secondary.

Where the spellings diverge

Shared letters are muted; the letters that actually set accident and accidental apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.

8 ch
accident
10 ch
accidental

Spelling & Dictionary Insight

accident and accidental 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) - “accident” sits inside “accidental” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 11256, derived from the frequency rank of both members and their visual similarity.

accident is recorded at frequency rank #1,979, classified as anoun, pronounced /ˈæk.sɪ.dənt/. accidental is at rank #9,277, tagged as anadj, pronounced /ˌæk.sɪˈdɛn.tl̩/.

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 11256, this pair ranks #488,048 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

accident#1,979
accidental#9,277

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "accident" and "accidental" be used interchangeably?
No, "accident" and "accidental" 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 accident vs accidental

The fastest way to pick the right one every time.

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