aniline

/ˈæ.nɪ.lin/

//ˈæ.nɪ.lin// noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“aniline” is uncommon English (frequency #68,008 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#68,008
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The simplest aromatic amine, C₆H₅NH₂, synthesized by the reduction of nitrobenzene; it is a colourless oily basic poisonous liquid used in the manufacture of dyes and pharmaceuticals.

Corpus desk

Index EN-aniline · aniline · English

aniline · rank #68,008 · 0 variants · 0 confusables

  • FREQ-RARE #68,008
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH anklet

Nearest frequency peer: anklet (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “aniline”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “aniline” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for aniline
PropertyValue
Headwordaniline
LanguageEnglish
Part of speechNoun
IPA/ˈæ.nɪ.lin/
Letters7
Frequency rank#68,008
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “aniline” in English

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

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “anklet” (#68,009), “alim” (#68,006), “anteater” (#68,010). Among 3,931 “A” headwords, “aniline” is #68,008. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

aniline is uncommon English at frequency #68,008 among 3,931 “A” headwords, classed as anoun, transcribed /ˈæ.nɪ.lin/. Rarity is why readers land here mid-draft. Gloss: "The simplest aromatic amine, C₆H₅NH₂, synthesized by the reduction of nitrobenzene; it is a colourless oily basic poisonous liquid used in the manufacture of dyes and pharmaceuticals.".

No generated misspelling entries exist for aniline in our index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Borrowed from German Anilin, coined by German chemist Carl Julius Fritzsche. From Portuguese anil (“indigo”) + -in (“-ine (organic compounds)”). The correct English form is aniline, spelled A-N-I-L-I-N-E.

Definition

  1. 1
    The simplest aromatic amine, C₆H₅NH₂, synthesized by the reduction of nitrobenzene; it is a colourless oily basic poisonous liquid used in the manufacture of dyes and pharmaceuticals.

Recorded use

Wiktionary example

These source excerpts show how aniline appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The page was indeed still damp and the scent of fresh aniline dye flooded Millie with euphoria. It was perhaps her favorite smell.

Etymology

Borrowed from German Anilin, coined by German chemist Carl Julius Fritzsche. From Portuguese anil (“indigo”) + -in (“-ine (organic compounds)”).

Synonyms

aminobenzenephenylamine

This word in other languages

anilina(Español)aniline(Français)Anilin(Deutsch)

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 "aniline"?
"aniline" is spelled A-N-I-L-I-N-E. The IPA pronunciation is /ˈæ.nɪ.lin/.
What does "aniline" mean?
As a noun, "aniline" means: The simplest aromatic amine, C₆H₅NH₂, synthesized by the reduction of nitrobenzene; it is a colourless oily basic poisonous liquid used in the manufacture of dyes and pharmaceuticals.
How do you pronounce "aniline"?
The IPA (International Phonetic Alphabet) transcription for "aniline" is /ˈæ.nɪ.lin/. 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 "aniline"?
Borrowed from German Anilin, coined by German chemist Carl Julius Fritzsche. From Portuguese anil (“indigo”) + -in (“-ine (organic compounds)”). 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "aniline", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Abaddon#67,987beanies#68,035besting#68,040writeup#67,968

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list