fif·teen 
/ˌfɪfˈti:n/ noun
plural fif·teens /ˌfɪfˈti:n/ noun [count] : the number 15
— fifteen adjective
▪ fifteen dollars
▪ fifteen dollars
— fifteen pronoun
▪ Only fifteen (of them) showed up on time.
▪ Only fifteen (of them) showed up on time.
— fif·teenth /ˌfɪfˈti:nθ/ noun, plural fif·teenths [count]
▪ the fifteenth of September ▪ one fifteenth of the total
/ˌfɪfˈti:nθ/ noun, plural fif·teenths [count] ▪ the fifteenth of September ▪ one fifteenth of the total
— fifteenth adjective
▪ the fifteenth day
▪ the fifteenth day
— fifteenth adverb
▪ Their boat finished fifteenth.
▪ Their boat finished fifteenth.
