iamb
foot of two syllables short followed by long or unstressed followed by stressed
troche
foot of two syllables long followed by short or stressed followed by unstressed
anapest
foot of three syllables two short followed by one long or two unstressed followed by one stressed
dactyl
foot of three syllables one long followed by two short or one stressed followed by two unstressed
spondee
foot of two syllables both long or both stressed