ICJvsillWhat's the difference?

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

Which to use

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

#49,411
“ICJ” frequency rank
#1,946
“ill” frequency rank
51357
confusion score

Side-by-Side Comparison

Feature ICJ ill
Definition Initialism of International Court of Justice. Evil; wicked (of people).

Where the spellings diverge

Shared letters are muted; the letters that actually set ICJ and ill apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
ICJ
3 ch
ill

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ICJ is aname and illanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51357, derived from the frequency rank of both members and their visual similarity.

ICJ is recorded at frequency rank #49,411, classified as aname. ill is at rank #1,946, tagged as anadj, pronounced /ɪl/.

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 51357, this pair ranks #166,170 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ICJ vs ill

Shared letters: i. Private to "ICJ": cj. Private to "ill": l.

"ICJ" · 3 letters · shape VCC  ·  "ill" · 3 letters · shape VCC

Frequency comparison

ICJ#49,411
ill#1,946

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "ICJ" and "ill" be used interchangeably?
No - they are not even the same part of speech. "ICJ" is a name and "ill" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ICJ" or "ill"?
"ill" is the more common of the two: it sits at frequency rank #1,946 in our English list, against #49,411 for "ICJ". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering ICJ vs ill

The fastest way to pick the right one every time.

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