halfvshardWhat's the difference?

Quick tell: half is a noun, hard is an adjective, so they fill different roles in a sentence.

Which to use

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

#374
“half” frequency rank
#273
“hard” frequency rank
647
confusion score

Side-by-Side Comparison

Feature half hard
Definition One of two usually roughly equal parts into which anything may be divided, or considered as divided. Solid and firm.

Where the eye mixes half and hard

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
half
4 ch
hard

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: half is /hɑːf/ while hard is /hɑːd/. 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 647, derived from the frequency rank of both members and their visual similarity.

half is recorded at frequency rank #374, classified as anoun, pronounced /hɑːf/. hard is at rank #273, tagged as anadj, pronounced /hɑːd/.

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 647, this pair ranks #529,056 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of half vs hard

Shared letters: ah. Private to "half": fl. Private to "hard": dr.

"half" · 4 letters · shape CVCC  ·  "hard" · 4 letters · shape CVCC

Known mistypes of this pair

  • halfahlf · hafl · halff · hallf · hhalf · hlaf
  • hardahrd · hadr · hardd · harrd · hhard · hrad

Frequently Asked Questions

Can "half" and "hard" be used interchangeably?
No - they are not even the same part of speech. "half" is a noun and "hard" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "half" or "hard"?
"hard" is the more common of the two: it sits at frequency rank #273 in our English list, against #374 for "half". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list