headedvsheaderWhat's the difference?

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

Which to use

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

#2,736
“headed” frequency rank
#8,552
“header” frequency rank
11288
confusion score

Side-by-Side Comparison

Feature headed header
Definition Of a sheet of paper: having the sender's name, address, etc. preprinted at the top. The upper portion of a page (or other) layout.

Where the eye mixes headed and header

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
headed
6 ch
header

Look-alike desk: headed vs header

These two trip readers on the page rather than in the ear: headed is /ˈhɛdɪd/ while header is /ˈhɛdɚ/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “headed” becomes r in “header”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11288, derived from the frequency rank of both members and their visual similarity.

headed is recorded at frequency rank #2,736, classified as anadj, pronounced /ˈhɛdɪd/. header is at rank #8,552, tagged as anoun, pronounced /ˈhɛdɚ/.

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 11288, this pair ranks #487,869 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of headed vs header

Shared letters: adeh. Private to "headed": -. Private to "header": r.

"headed" · 6 letters · shape CVVCVC  ·  "header" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • headedehaded · haeded · headde · headded · headedd · heaedd · hedaed · hheaded
  • headerehader · haeder · headder · headerr · headre · heaedr · hedaer · hheader

Frequently Asked Questions

Is swapping "headed" for "header" ever safe?
No - they are not even the same part of speech. "headed" is an adjective and "header" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "headed" or "header" show up more?
"headed" is the more common of the two: it sits at frequency rank #2,736 in our English list, against #8,552 for "header". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "headed" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "header" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #487,869 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "headed" and "header" also get mixed up with nearby pairs, the highest-scored neighbour is "header vs Heaney". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #487,869 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list