Spelling
Untill or until?
Until is the right spelling. Untill is a common misspelling of it.
UNTILL doubles the L, which UNTIL has once.
Why people write UNTILL
After seeing many words with doubled letters, it is natural to double one that should stay single, especially before an ending.
Until has one L at the end: un + til.
How often UNTIL is misspelled
In the web pages Google counted for its trillion-word corpus (Peter Norvig's word counts), UNTILL appears 6 times for every 1,000 UNTIL, about once for every 167 correct uses.
Is UNTILL a word?
No. UNTILL is not in NWL2023, Collins Scrabble Words or ENABLE, the word lists Scrabble and other word games use, so no word game accepts it. UNTIL is in all three and scores 5 points in Scrabble before bonus squares.
More words with the same mistake
Two letters where there should be one:
More spelling help
Commonly misspelled words, grouped by the mistake · Free printables and word games for teachers · Unscramble any letters