spondee
trochee
In "Non so pi", each phrase consists of three anapests.
The metrical pattern might be iambic pentameter, ballad stanza, anapests, trochees, or dactyls.
You can scan the second foot as either an anapest or an elided iambic.
Dr Seuss's favourite metre was iambs followed by anapests.
SMART Vocabulary: related words and phrases
Literature
accentual
action hero
alliterative
alternative history
anti-literary
fiction
fictionality
fictionally
fictive
fictively
non-canonical
non-character
non-literary
non-metrical
non-poetic
sympathetically
tanka
tartan noir
theatrics
threnody