Which to use
“fire” is a noun and “free” is an adjective - they look or sound alike but fill different roles in a sentence.
- #501
- “fire” frequency rank
- #211
- “free” frequency rank
- 712
- confusion score
Side-by-Side Comparison
| Feature | fire | free |
|---|---|---|
| Definition | A (usually self-sustaining) chemical reaction involving the bonding of oxygen with carbon or other fuel, with the production of heat and the presence of flame or smouldering. | Unconstrained. |
Where the eye mixes fire and free
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: fire is /ˈfaɪ.ə/ while free is /fɹiː/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 712, derived from the frequency rank of both members and their visual similarity.
fire is recorded at frequency rank #501, classified as anoun, pronounced /ˈfaɪ.ə/. free is at rank #211, tagged as anadj, pronounced /fɹiː/.
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 712, this pair ranks #528,929 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fire vs free
Shared letters: efr. Private to "fire": i. Private to "free": -.
"fire" · 4 letters · shape CVCV · "free" · 4 letters · shape CCVV