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Tonsillitus or tonsillitis?

Did you mean tonsillitis? Here's the right spelling and how to remember it.

Incorrect

tonsillitus

Correct

tonsillitis

Letter by letter
CorrectWrong

Correct spelling: tonsillitis. Misspelling: tonsillitus.

letters the misspelling gets wrong or leaves out letters that shouldn't be there

Memory tip

Tonsil + litis: the double L comes from adding -itis to tonsil.

Why people write “tonsillitus”

The misspelling “tonsillitus” is only one letter off: it writes U where tonsillitis has I, an easy slip because in an unstressed syllable both vowels can sound like the same soft "uh".

Spell-checkers catch the mistake in a document, but not in a handwritten note, a text message or a word game. Writing the word out a few times while saying the tricky part aloud is the quickest way to make tonsillitis automatic.

What does “tonsillitis” mean?

tonsillitis noun

  1. inflammation of the tonsils (especially the palatine tonsils)

Definitions from WordNet 3.1, Princeton University. Full dictionary entry

“Tonsillitis” in a sentence

  • She stayed home with tonsillitis.

Is “tonsillitis” a playable word?

t 1o 1n 1s 1i 1l 1l 1i 1t 1i 1s 1

11 points in Scrabble · 14 in Words With Friends

  • Scrabble (US)
  • Scrabble (UK)
  • Words With Friends

“tonsillitus” is not accepted in any of these games. See every word you can make from TONSILLITIS.

Tonsillitis: quick answers

Is it tonsillitus or tonsillitis?
The correct spelling is tonsillitis. “tonsillitus” is a misspelling: it does not appear in standard dictionaries or in the Scrabble and Words With Friends word lists.
How can I remember how to spell tonsillitis?
Tonsil + litis: the double L comes from adding -itis to tonsil.
What does tonsillitis mean?
Tonsillitis means: inflammation of the tonsils (especially the palatine tonsils).