Word: twelfth
Part of speech: Noun
Syllables: twelfth
Definition: An interval equal to an octave plus a fifth
Morphemes:
Affix: twelve
Language: en
PoS: Noun
Meaning: A group of twelve items.
Affix: -th
Language: en
PoS: Suffix
Meaning: Used to form a term denoting the ordinal numeral corresponding to the value, being a natural number, of a mathematical expression.