flatvsflintWhat's the difference?

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

Which to use

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

#26,369
“flat” frequency rank
#34,540
“flint” frequency rank
60909
confusion score

Side-by-Side Comparison

Feature flat flint
Definition Se dit du ver à soie atteint de flacherie. Verre en cristal servant avec le crown-glass à faire les lentilles achromatiques des microscopes ; il est constitué par trois atomes de quadrisilicate de plomb et deux atomes de quadrisilicate de potasse.

Where the spellings diverge

Shared letters are muted; the letters that actually set flat and flint apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch
flat
5 ch
flint

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: flat is \fla\ while flint is \flint\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 60909, derived from the frequency rank of both members and their visual similarity.

flat is recorded at frequency rank #26,369, classified as anadj, pronounced \fla\. flint is at rank #34,540, tagged as anoun, pronounced \flint\.

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 60909, this pair ranks #95,149 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of flat vs flint

Shared letters: flt. Private to "flat": a. Private to "flint": in.

"flat" · 4 letters · shape CCVC  ·  "flint" · 5 letters · shape CCVCC

Known mistypes of this pair

  • flatfalt · fflat · flatt · fllat · flta · lfat
  • flintfflint · filnt · flinnt · flintt · flitn · fllint · flnit · lfint

Frequency comparison

flat#26,369
flint#34,540

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "flat" and "flint" be used interchangeably?
No - they are not even the same part of speech. "flat" is an adjective and "flint" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "flat" or "flint"?
"flat" is the more common of the two: it sits at frequency rank #26,369 in our French list, against #34,540 for "flint". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering flat vs flint

The fastest way to pick the right one every time.

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