Word: onfall
Part of speech: Noun
Syllables: on
fall
Definition: A falling on or upon; an attack, onset, or assault.
Morphemes:
Affix: on-
Language: en
PoS: Prefix
Meaning: on, at, toward, upon.
Affix: fall
Language: en
PoS: Verb
Meaning: To come down, to drop or descend.