Which to use
“film” and “firm” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #633
- “film” frequency rank
- #1,693
- “firm” frequency rank
- 2326
- confusion score
Side-by-Side Comparison
| Feature | film | firm |
|---|---|---|
| Definition | A thin layer of some substance; a pellicle; a membranous covering, causing opacity. | A business partnership; the name under which it trades. |
Where the eye mixes film and firm
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Spelling & Dictionary Insight
A purely visual mix-up. film (/fɪlm/) and firm (/fɜɹm/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - l in “film” becomes r in “firm”. Our composite confusion score for this pair is 2326, derived from the frequency rank of both members and their visual similarity.
film is recorded at frequency rank #633, classified as anoun, pronounced /fɪlm/. firm is at rank #1,693, tagged as anoun, pronounced /fɜɹm/.
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 2326, this pair ranks #525,257 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of film vs firm
Shared letters: fim. Private to "film": l. Private to "firm": r.
"film" · 4 letters · shape CVCC · "firm" · 4 letters · shape CVCC