hcp
"hcp" is a 3-letter English headword indexed on PlainSpell.
The verdict
“hcp” is uncommon English (frequency #65,952 among 2,646 “H” headwords), classed as an adjective. The kind of spelling people second-guess.
- #65,952
- frequency rank, English
- 2,646
- “H” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of hexagonal close-packed.
Corpus desk
Index EN-hcp · hcp · English
hcp · rank #65,952 · 0 variants · 0 confusables
- FREQ-RARE #65,952
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,646
- PHOTO-FINISH Hauptmann
Nearest frequency peer: Hauptmann (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “hcp”
Sparse band: bars invert rank so rarer forms read shorter
- handmaiden
handmaiden
34,053 corpus weight
- Hashmi
Hashmi
34,052 corpus weight
- Hauptmann
Hauptmann
34,050 corpus weight
- hcp
hcp
34,049 corpus weight
- heatsink
heatsink
34,048 corpus weight
- heatstroke
heatstroke
34,047 corpus weight
What this shows Long-tail view: where “hcp” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | hcp |
| Language | English |
| Part of speech | Adjective |
| Letters | 3 |
| Frequency rank | #65,952 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “hcp” in English
Rare enough to double-check
hcp is uncommon English at frequency #65,952 among 2,646 “H” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Initialism of hexagonal close-packed.".
hcp doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
This headword's origin isn't recorded in our source data, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is hcp, spelled H-C-P.
Definition
- 1Initialism of hexagonal close-packed.
Recorded use
Wiktionary exampleThese source excerpts show how hcp appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Most importantly, we propose that the sequence of ETTs lead to the stabilisation of a non-collinear spin arrangement in highly compressed hcp Co.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "hcp", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).