iffyvsinfoConfusable pair

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

Which to use

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

#37,981
“iffy” frequency rank
#2,489
“info” frequency rank
40470
confusion score

Side-by-Side Comparison

Feature iffy info
Definition Of dubious authenticity, legitimacy or legality. information.

Where the eye mixes iffy and info

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. iffy and info follow the identical consonant-vowel pattern (VCCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
iffy
4 ch
info

Visual trap between iffy and info

These two trip readers on the page rather than in the ear: iffy is /ˈɪfi/ while info is /ˈɪnfəʊ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 40470, derived from the frequency rank of both members and their visual similarity.

iffy is recorded at frequency rank #37,981, classified as anadj, pronounced /ˈɪfi/. info is at rank #2,489, tagged as anoun, pronounced /ˈɪnfəʊ/.

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 40470, this pair ranks #267,302 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of iffy vs info

Shared letters: fi. Private to "iffy": y. Private to "info": no.

"iffy" · 4 letters · shape VCCV  ·  "info" · 4 letters · shape VCCV

Known mistypes of this pair

  • iffy ← fify · iffyy · ify · ifyf
  • info ← ifno · inffo · innfo · inof · nifo

Frequently Asked Questions

Can "iffy" and "info" be used interchangeably?
No - they are not even the same part of speech. "iffy" is an adjective and "info" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "iffy" or "info" show up more?
"info" is the more common of the two: it sits at frequency rank #2,489 in our English list, against #37,981 for "iffy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "iffy" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "info" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #267,302 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "iffy" and "info" also get mixed up with nearby pairs, the highest-scored neighbour is "iffy vs itty". 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 #267,302 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