hecto-

\ɛk.to\

/\ɛk.to\/ prefix

The verdict

“hecto-” is uncommon French (outside the top frequency list), classed as a prefix. The kind of spelling people second-guess.

Unranked
below top-frequency French
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par cent (100 ou 10²). Son symbole est h.

Corpus desk

Index FR-hecto · hecto- · French

hecto- · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" thin
  • PHOTO-UNK Peer pending

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.

Key facts for hecto-
PropertyValue
Headwordhecto-
LanguageFrench
Part of speechPrefix
IPA\ɛk.to\
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “hecto-” sits in French frequency

hecto- falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

hecto- is uncommon French outside the top frequency list, classed as aprefix, transcribed \ɛk.to\. Rarity is why readers land here mid-draft. Gloss: "Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par cent (100 ou 10²). Son symbole est h.".

Our edit-distance generator produced no likely misspellings for hecto-, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

Our source data has no etymology on file for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is hecto-, spelled H-E-C-T-O--.

Definition

  1. 1
    Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par cent (100 ou 10²). Son symbole est h.

Antonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "hecto-"?
"hecto-" is spelled H-E-C-T-O--. The IPA pronunciation is \ɛk.to\.
What does "hecto-" mean?
As a prefix, "hecto-" means: Dans le Système international et d’autres systèmes métriques, multiplie une unité de mesure par cent (100 ou 10²). Son symbole est h.
How do you pronounce "hecto-"?
The IPA (International Phonetic Alphabet) transcription for "hecto-" is \ɛk.to\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "hecto-" come from?
"hecto-" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list