inkvsIPWhat's the difference?

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

Which to use

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

#6,368
“ink” frequency rank
#6,700
“IP” frequency rank
13068
confusion score

Side-by-Side Comparison

Feature ink IP
Definition A pigment (or dye)-based fluid used for writing, printing etc. Initialism of intraperitoneal.

Letter map: ink vs IP

Shared letters muted; letters that set ink and IP apart highlighted. Shared run: 1.

3 ch
ink
2 ch
IP

Part-of-speech tell for ink / IP

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ink is anoun and IPanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 13068, derived from the frequency rank of both members and their visual similarity.

ink is recorded at frequency rank #6,368, classified as anoun, pronounced /ˈɪŋk/. IP is at rank #6,700, tagged as anadj.

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 13068, this pair ranks #477,953 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ink vs IP

Shared letters: i. Private to "ink": kn. Private to "IP": p.

"ink" · 3 letters · shape VCC  ·  "IP" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "ink" for "IP" ever safe?
No - they are not even the same part of speech. "ink" is a noun and "IP" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ink" or "IP"?
"ink" is the more common of the two: it sits at frequency rank #6,368 in our English list, against #6,700 for "IP". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "ink" vs "IP" is on the table, pick a follow-up below.

  • Full dictionary entry for "ink" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "IP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #477,953 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ink" and "IP" also get mixed up with nearby pairs, the highest-scored neighbour is "IP vs ith". Nearby pair

Confusion rank #477,953 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