mainly

/ˈmeɪnli/

//ˈmeɪnli// adv

"mainly" is a 6-letter English headword indexed on PlainSpell.

The verdict

“mainly” is a regularly-used English word, ranked #2,490 in English word frequency and used as an adverb.

#2,490
frequency rank, English
6
letters
9
tracked misspellings
15
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Chiefly; for the most part.

Visual similarity to commonly confused words

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

mainly vs many
67% similar
mainly vs manly
83% similar
mainly vs manny
67% similar

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

Key facts for mainly
PropertyValue
Headwordmainly
LanguageEnglish
Part of speechAdverb
IPA/ˈmeɪnli/
Letters6
Frequency rank#2,490
Misspellings tracked9
Confusable pairs15
SourceWiktionary (kaikki.org)

Where “mainly” 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). mainly 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 mainly is 6 letters long, classified as an adverb, and transcribed in the International Phonetic Alphabet as /ˈmeɪnli/. Corpus data places it at rank #2,490 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 4 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 mainly, with forms such as "aminly", "mailny", and "mainlly". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 15 confusable-pair relationships, "many", "manly", "manny", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English maynly; equivalent to main + -ly. The correct English form is mainly, spelled M-A-I-N-L-Y.

Definition

  1. 1
    Chiefly; for the most part.
  2. 2
    Forcefully, vigorously.
  3. 3
    Of the production of a sound: loudly, powerfully.
  4. 4
    To a great degree; very much.

Etymology

From Middle English maynly; equivalent to main + -ly.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: aminly,mailny,mainlly,mainlyy,mainnly,mainyl,manily,mianly,mmainly

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of mainly - 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.

aminly2mailny2mainlly1mainlyy1mainnly1mainyl2manily2mianly2
Edit distance from "mainly"

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 "mainly"?
"mainly" is spelled M-A-I-N-L-Y. The IPA pronunciation is /ˈmeɪnli/.
What does "mainly" mean?
As an adverb, "mainly" means: Chiefly; for the most part.
What words are commonly confused with "mainly"?
"mainly" is commonly confused with "many", "manly", "manny". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "mainly"?
The IPA (International Phonetic Alphabet) transcription for "mainly" is /ˈmeɪnli/. 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 "mainly"?
From Middle English maynly; equivalent to main + -ly. 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 “mainly”

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

  • The one correct English spelling is M-A-I-N-L-Y - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈmeɪnli/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “many” - see the side-by-side comparison. mainly vs many
  • 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