abidingvsailingWhich spelling fits?

Quick tell: abiding is a adjective, ailing is a noun, so they fill different roles in a sentence.

Which to use

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

#15,946
“abiding” frequency rank
#25,993
“ailing” frequency rank
41939
confusion score

Side-by-Side Comparison

Feature abiding ailing
Definition Continuing or persisting in the same state: lasting, enduring; steadfast. An ailment.

Where the eye mixes abiding and ailing

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
abiding
6 ch
ailing

Look-alike desk: abiding vs ailing

These two trip readers on the page rather than in the ear: abiding is /əˈbaɪ.dɪŋ/ while ailing is /ˈeɪ.lɪŋ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 41939, derived from the frequency rank of both members and their visual similarity.

abiding is recorded at frequency rank #15,946, classified as anadj, pronounced /əˈbaɪ.dɪŋ/. ailing is at rank #25,993, tagged as anoun, pronounced /ˈeɪ.lɪŋ/.

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 41939, this pair ranks #253,778 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of abiding vs ailing

Shared letters: agin. Private to "abiding": bd. Private to "ailing": l.

"abiding" · 7 letters · shape VCVCVCC  ·  "ailing" · 6 letters · shape VVCVCC

Known mistypes of this pair

  • abidingabbiding · abdiing · abidding · abidign · abidingg · abidinng · abidnig · abiidng
  • ailingaiilng · ailign · ailingg · ailinng · ailling · ailnig · aliing · ialing

Frequently Asked Questions

Do "abiding" and "ailing" mean the same thing in a sentence?
No - they are not even the same part of speech. "abiding" is an adjective and "ailing" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "abiding" vs "ailing" - which ranks higher?
"abiding" is the more common of the two: it sits at frequency rank #15,946 in our English list, against #25,993 for "ailing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "abiding" and "ailing" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "abiding" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ailing" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #253,778 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "abiding" and "ailing" also get mixed up with nearby pairs, the highest-scored neighbour is "ailing vs aline". 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 #253,778 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list