informvsinformerWhat's the difference?

Quick tell: inform is a verb, informer is a noun, so they fill different roles in a sentence.

Which to use

“inform” is a verb and “informer” is a noun - they look or sound alike but fill different roles in a sentence.

#5,603
“inform” frequency rank
#29,318
“informer” frequency rank
34921
confusion score

Side-by-Side Comparison

Feature inform informer
Definition To instruct, train (usually in matters of knowledge). One who informs someone else about something.

Where the spellings diverge

Shared letters are muted; the letters that actually set inform and informer apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

6 ch
inform
8 ch
informer

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: inform is averb and informeranoun. On the page they differ by 2 extra letter(s) - “inform” sits inside “informer”. Our composite confusion score for this pair is 34921, derived from the frequency rank of both members and their visual similarity.

inform is recorded at frequency rank #5,603, classified as averb, pronounced /ɪnˈfɔɹm/. informer is at rank #29,318, tagged as anoun.

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 34921, this pair ranks #316,484 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of inform vs informer

Shared letters: fimnor. Private to "inform": -. Private to "informer": e.

"inform" · 6 letters · shape VCCVCC  ·  "informer" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • informifnorm · infform · infomr · informm · inforrm · infrom · innform · inofrm
  • informerifnormer · infformer · infomrer · inforemr · informerr · informmer · informre · inforrmer

Frequency comparison

inform#5,603
informer#29,318

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "inform" and "informer" be used interchangeably?
No - they are not even the same part of speech. "inform" is a verb and "informer" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "inform" or "informer"?
"inform" is the more common of the two: it sits at frequency rank #5,603 in our English list, against #29,318 for "informer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering inform vs informer

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “inform”; for a noun, it's “informer”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “inform” 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