Suffice > [Suffice it; it is enough] due > duty in place > here

7 So goodly purpose they together found,

goodly > courteous purpose > conversation, discourse found > devised

8 Of kindness and of courteous aggrace;

aggrace > favour

9 The whiles false Archimago and Atin fled apace.

The whiles > Meanwhile apace > quickly

CANTO IX

The house of Temperance, in which
2 doth sober Alma dwell,
Besiegd of many foes, whom straunger
4 knightes to +flight+ compell.

4 flight > fight 1596, 1609