flatter

/ˈflætɚ/

//ˈflætɚ// adj

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

The verdict

“flatter” is a moderately-common English word, ranked #20,359 in English word frequency and used as an adjective.

#20,359
frequency rank, English
7
letters
9
tracked misspellings
12
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - comparative form of flat: more flat

Visual similarity to commonly confused words

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

flatter vs flutter
86% similar
flatter vs floater
71% similar
flatter vs flattery
88% similar

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

Key facts for flatter
PropertyValue
Headwordflatter
LanguageEnglish
Part of speechAdjective
IPA/ˈflætɚ/
Letters7
Frequency rank#20,359
Misspellings tracked9
Confusable pairs12
SourceWiktionary (kaikki.org)

Where “flatter” 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). flatter 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 flatter is 7 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ˈflætɚ/. Corpus data places it at rank #20,359 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "comparative form of flat: more flat".

Our generated misspelling index lists 9 likely wrong-spelling variants for flatter, with forms such as "faltter", "fflatter", and "flater". 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 12 confusable-pair relationships, "flutter", "floater", "flattery", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From flat + -er (comparative suffix). Compare Icelandic flatari (“flatter, more flat”). The correct English form is flatter, spelled F-L-A-T-T-E-R.

Definition

  1. 1
    comparative form of flat: more flat

Etymology

From flat + -er (comparative suffix). Compare Icelandic flatari (“flatter, more flat”).

Common misspellings

Also misspelled as: faltter,fflatter,flater,flatetr,flatterr,flattre,fllatter,fltater,lfatter

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of flatter - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

faltter2fflatter1flater1flatetr2flatterr1flattre2fllatter1fltater2
Edit distance from "flatter"

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 "flatter"?
"flatter" is spelled F-L-A-T-T-E-R. The IPA pronunciation is /ˈflætɚ/.
What does "flatter" mean?
As an adjective, "flatter" means: comparative form of flat: more flat
What words are commonly confused with "flatter"?
"flatter" is commonly confused with "flutter", "floater", "flattery". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "flatter"?
The IPA (International Phonetic Alphabet) transcription for "flatter" is /ˈflætɚ/. 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 "flatter"?
From flat + -er (comparative suffix). Compare Icelandic flatari (“flatter, more flat”). 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 “flatter”

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

  • The one correct English spelling is F-L-A-T-T-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈflætɚ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “flutter” - see the side-by-side comparison. flatter vs flutter
  • 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