alder

/ˈɔːldə/

//ˈɔːldə// noun

"alder" is a 5-letter English headword indexed on PlainSpell.

The verdict

“alder” is a moderately-common English word, ranked #29,902 in English word frequency and used as a noun.

#29,902
frequency rank, English
5
letters
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of several trees or shrubs of the genus Alnus, belonging to the birch family.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

alder vs ale
60% similar
alder vs Alex
40% similar
alder vs Alec
40% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for alder
PropertyValue
Headwordalder
LanguageEnglish
Part of speechNoun
IPA/ˈɔːldə/
Letters5
Frequency rank#29,902
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “alder” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). alder lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for alder is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈɔːldə/. Corpus data places it at rank #29,902 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Any of several trees or shrubs of the genus Alnus, belonging to the birch family.".

Our generated misspelling index lists 4 likely wrong-spelling variants for alder, with forms such as "alderr", "aldre", and "aledr". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "ale", "Alex", "Alec", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Inherited from Middle English aldre, alder, aller, from Old English alor, from Proto-West Germanic *aluʀu, from Proto-Germanic *aluz, *alusō, *alizō, *alisō. The correct English form is alder, spelled A-L-D-E-R.

Definition

  1. 1
    Any of several trees or shrubs of the genus Alnus, belonging to the birch family.

Etymology

Inherited from Middle English aldre, alder, aller, from Old English alor, from Proto-West Germanic *aluʀu, from Proto-Germanic *aluz, *alusō, *alizō, *alisō.

This word in other languages

Common misspellings

Also misspelled as: alderr,aldre,aledr,allder

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of alder - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

alderr1aldre2aledr2allder1
Edit distance from "alder"

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 "alder"?
"alder" is spelled A-L-D-E-R. The IPA pronunciation is /ˈɔːldə/.
What does "alder" mean?
As a noun, "alder" means: Any of several trees or shrubs of the genus Alnus, belonging to the birch family.
What words are commonly confused with "alder"?
"alder" is commonly confused with "ale", "Alex", "Alec". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "alder"?
The IPA (International Phonetic Alphabet) transcription for "alder" is /ˈɔːldə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "alder"?
Inherited from Middle English aldre, alder, aller, from Old English alor, from Proto-West Germanic *aluʀu, from Proto-Germanic *aluz, *alusō, *alizō, *alisō. See the full etymology section above for more details.
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.

Using “alder”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-L-D-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈɔːldə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “ale” - see the side-by-side comparison. alder vs ale
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list