aerobic

/ɛəˈɹəʊ.bɪk/

//ɛəˈɹəʊ.bɪk// adj

"aerobic" is a 7-letter English headword indexed on PlainSpell.

The verdict

“aerobic” is a moderately-common English word, ranked #22,563 in English word frequency and used as an adjective.

#22,563
frequency rank, English
7
letters
9
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Living or occurring only in the presence of oxygen e.g. aerobic bacteria.

Visual similarity to commonly confused words

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

aerobic vs Arabic
57% similar
aerobic vs aerobics
88% similar
aerobic vs anaerobic
78% similar

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

Key facts for aerobic
PropertyValue
Headwordaerobic
LanguageEnglish
Part of speechAdjective
IPA/ɛəˈɹəʊ.bɪk/
Letters7
Frequency rank#22,563
Misspellings tracked9
Confusable pairs3
SourceWiktionary (kaikki.org)

Where “aerobic” 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). aerobic 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 aerobic is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ɛəˈɹəʊ.bɪk/. Corpus data places it at rank #22,563 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 9 likely wrong-spelling variants for aerobic, with forms such as "aeorbic", "aerboic", and "aerobbic". 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. It also participates in 3 confusable-pair relationships, "Arabic", "aerobics", "anaerobic", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From French aérobie, coined in 1863 by Louis Pasteur, from Ancient Greek ἀήρ (aḗr, “air”) + βίος (bíos, “life”) + -ic. The correct English form is aerobic, spelled A-E-R-O-B-I-C.

Definition

  1. 1
    Living or occurring only in the presence of oxygen e.g. aerobic bacteria.
  2. 2
    Of or relating to aerobics.

Etymology

From French aérobie, coined in 1863 by Louis Pasteur, from Ancient Greek ἀήρ (aḗr, “air”) + βίος (bíos, “life”) + -ic.

This word in other languages

Common misspellings

Also misspelled as: aeorbic,aerboic,aerobbic,aerobci,aerobicc,aeroibc,aerrobic,areobic,earobic

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of aerobic - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

aeorbic2aerboic2aerobbic1aerobci2aerobicc1aeroibc2aerrobic1areobic2
Edit distance from "aerobic"

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 "aerobic"?
"aerobic" is spelled A-E-R-O-B-I-C. The IPA pronunciation is /ɛəˈɹəʊ.bɪk/.
What does "aerobic" mean?
As an adjective, "aerobic" means: Living or occurring only in the presence of oxygen e.g. aerobic bacteria.
What words are commonly confused with "aerobic"?
"aerobic" is commonly confused with "Arabic", "aerobics", "anaerobic". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "aerobic"?
The IPA (International Phonetic Alphabet) transcription for "aerobic" is /ɛəˈɹəʊ.bɪk/. 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 "aerobic"?
From French aérobie, coined in 1863 by Louis Pasteur, from Ancient Greek ἀήρ (aḗr, “air”) + βίος (bíos, “life”) + -ic. 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 “aerobic”

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

  • The one correct English spelling is A-E-R-O-B-I-C - every other letter order is a misspelling in standard orthography.
  • Say it as /ɛəˈɹəʊ.bɪk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Arabic” - see the side-by-side comparison. aerobic vs Arabic
  • 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