arboretum
/ɑː(ɹ)bəˈɹiːtəm/
"arboretum" is a 9-letter English headword indexed on PlainSpell.
The verdict
“arboretum” is a moderately-common English word, ranked #36,868 in English word frequency and used as a noun.
- #36,868
- frequency rank, English
- 9
- letters
- 13
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A place where many varieties of tree are grown for research, educational, and ornamental purposes.
| Property | Value |
|---|---|
| Headword | arboretum |
| Language | English |
| Part of speech | Noun |
| IPA | /ɑː(ɹ)bəˈɹiːtəm/ |
| Letters | 9 |
| Frequency rank | #36,868 |
| Misspellings tracked | 13 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “arboretum” sits in English frequency
Spelling & Dictionary Insight
The English entry for arboretum is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɑː(ɹ)bəˈɹiːtəm/. Corpus data places it at rank #36,868 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A place where many varieties of tree are grown for research, educational, and ornamental purposes.".
Our generated misspelling index lists 13 likely wrong-spelling variants for arboretum, with forms such as "abroretum", "arbboretum", and "arboertum". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Borrowed from Latin arborētum (“place with trees growing, plantation of trees”), from arbor (“tree”). The correct English form is arboretum, spelled A-R-B-O-R-E-T-U-M.
Definition
- 1A place where many varieties of tree are grown for research, educational, and ornamental purposes.
Etymology
Borrowed from Latin arborētum (“place with trees growing, plantation of trees”), from arbor (“tree”).
This word in other languages
Common misspellings
Also misspelled as: abroretum,arbboretum,arboertum,arboretmu,arborettum,arboretumm,arboreutm,arborretum,arborteum,arbroetum,arobretum,arrboretum,raboretum
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of arboretum - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 "arboretum"?
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Using “arboretum”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-R-B-O-R-E-T-U-M - every other letter order is a misspelling in standard orthography.
- Say it as /ɑː(ɹ)bəˈɹiːtəm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.