illvsIlyaWhat's the difference?

Quick tell: ill is a adjective, Ilya is a name, so they fill different roles in a sentence.

Which to use

“ill” is an adjective and “Ilya” is a name - they look or sound alike but fill different roles in a sentence.

#1,946
“ill” frequency rank
#34,927
“Ilya” frequency rank
36873
confusion score

Side-by-Side Comparison

Feature ill Ilya
Definition Evil; wicked (of people). A male given name from Russian.

Where the spellings diverge

Shared letters are muted; the letters that actually set ill and Ilya apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
ill
4 ch
Ilya

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ill is anadjective and Ilyaaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36873, derived from the frequency rank of both members and their visual similarity.

ill is recorded at frequency rank #1,946, classified as anadj, pronounced /ɪl/. Ilya is at rank #34,927, tagged as aname.

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 36873, this pair ranks #299,415 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ill vs Ilya

Shared letters: il. Private to "ill": -. Private to "Ilya": ay.

"ill" · 3 letters · shape VCC  ·  "Ilya" · 4 letters · shape VCVV

Known mistypes of this pair

  • Ilyailay · illya · ilyya · iyla · liya

Frequency comparison

ill#1,946
Ilya#34,927

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ill" and "Ilya" be used interchangeably?
No - they are not even the same part of speech. "ill" is an adjective and "Ilya" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ill" or "Ilya"?
"ill" is the more common of the two: it sits at frequency rank #1,946 in our English list, against #34,927 for "Ilya". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering ill vs Ilya

The fastest way to pick the right one every time.

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