aldehydes

/ˈæl.dɪ.haɪdz/

//ˈæl.dɪ.haɪdz// noun

By · According to Wiktionary data (CC BY-SA) ·

"aldehydes" is a 9-letter English headword indexed on PlainSpell.

The verdict

“aldehydes” is uncommon English (frequency #65,682 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#65,682
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - plural of aldehyde

Corpus desk

Index EN-aldehydes · aldehydes · English

aldehydes · rank #65,682 · 0 variants · 0 confusables

  • FREQ-RARE #65,682
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH Akiko

Nearest frequency peer: Akiko (-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 “aldehydes”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “aldehydes” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for aldehydes
PropertyValue
Headwordaldehydes
LanguageEnglish
Part of speechNoun
IPA/ˈæl.dɪ.haɪdz/
Letters9
Frequency rank#65,682
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “aldehydes” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).aldehydesfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Akiko” (#65,681), “Alsatian” (#65,683), “airworthiness” (#65,680). Among 3,931 “A” headwords, “aldehydes” is #65,682. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

aldehydes is uncommon English at frequency #65,682 among 3,931 “A” headwords, classed as anoun, transcribed /ˈæl.dɪ.haɪdz/. Rarity is why readers land here mid-draft. Gloss: "plural of aldehyde".

Our edit-distance generator produced no likely misspellings for aldehydes, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Our source data has no etymology on file for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is aldehydes, spelled A-L-D-E-H-Y-D-E-S.

Definition

  1. 1
    plural of aldehyde

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

How do you spell "aldehydes"?
"aldehydes" is spelled A-L-D-E-H-Y-D-E-S. The IPA pronunciation is /ˈæl.dɪ.haɪdz/.
What does "aldehydes" mean?
As a noun, "aldehydes" means: plural of aldehyde
How do you pronounce "aldehydes"?
The IPA (International Phonetic Alphabet) transcription for "aldehydes" is /ˈæl.dɪ.haɪdz/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "aldehydes" come from?
"aldehydes" is a English 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "aldehydes", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Ahmadiyya#65,674Ashburton#65,701barrelled#65,717Beelzebub#65,722

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

Source: FrequencyWords open word-frequency list