IPA: /twɛlfθ/
KK: /twɛlfθ/
A part of something that is divided into twelve equal parts, or the position of being number twelve in a sequence.
He finished twelfth in the race, which was better than he expected.
Twelfth is formed from "twelve" (from Old English "twelf", meaning the number 12) and "-th" (a suffix used to form ordinal numbers). The word "twelfth" refers to the position in a sequence that is after the eleventh and before the thirteenth, indicating the ordinal form of twelve.
Think of the number 'twelve' and remember that 'twelfth' means the position that comes after the eleventh in a sequence.
No commonly confused words.