tyrosine

noun

"tyrosine" is a 8-letter English headword indexed on PlainSpell.

The verdict

“tyrosine” is a moderately-common English word, ranked #34,733 in English word frequency and used as a noun.

#34,733
frequency rank, English
8
letters
12
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A nonessential amino acid 2-amino-3-(4-hydroxyphenyl)propanoic acid found in most animal proteins, especially casein

Visual similarity to commonly confused words

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

tyrosine vs Tyrone
63% similar

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

Key facts for tyrosine
PropertyValue
Headwordtyrosine
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#34,733
Misspellings tracked12
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “tyrosine” 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). tyrosine 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 tyrosine is 8 letters long, classified as a noun. Corpus data places it at rank #34,733 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "A nonessential amino acid 2-amino-3-(4-hydroxyphenyl)propanoic acid found in most animal proteins, especially casein".

Our generated misspelling index lists 12 likely wrong-spelling variants for tyrosine, with forms such as "tryosine", "ttyrosine", and "tyorsine". 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 1 confusable-pair relationship, "Tyrone", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Ancient Greek τῡρός (tūrós, “cheese”) + -ine (since first discovered in cheese); surface analysis is approximately tyro- + -ine. The correct English form is tyrosine, spelled T-Y-R-O-S-I-N-E.

Definition

  1. 1
    A nonessential amino acid 2-amino-3-(4-hydroxyphenyl)propanoic acid found in most animal proteins, especially casein

Etymology

From Ancient Greek τῡρός (tūrós, “cheese”) + -ine (since first discovered in cheese); surface analysis is approximately tyro- + -ine.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: tryosine,ttyrosine,tyorsine,tyroisne,tyrosien,tyrosinne,tyrosnie,tyrossine,tyrrosine,tyrsoine,tyyrosine,ytrosine

Misspelling Pattern Breakdown

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

tryosine2ttyrosine1tyorsine2tyroisne2tyrosien2tyrosinne1tyrosnie2tyrossine1
Edit distance from "tyrosine"

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 "tyrosine"?
"tyrosine" is spelled T-Y-R-O-S-I-N-E.
What does "tyrosine" mean?
As a noun, "tyrosine" means: A nonessential amino acid 2-amino-3-(4-hydroxyphenyl)propanoic acid found in most animal proteins, especially casein
What words are commonly confused with "tyrosine"?
"tyrosine" is commonly confused with "Tyrone". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "tyrosine"?
From Ancient Greek τῡρός (tūrós, “cheese”) + -ine (since first discovered in cheese); surface analysis is approximately tyro- + -ine. 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 “tyrosine”

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

  • The one correct English spelling is T-Y-R-O-S-I-N-E - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “Tyrone” - see the side-by-side comparison. tyrosine vs Tyrone
  • 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