3 Of her sweet words, that all his sense dismayed,

dismayed > overcame

4 And with her wondrous beauty ravished quite), 5 Gan burn in filthy lust, and leaping light,

Gan > Did; began to light > quickly

6 Thought in his bastard arms her to embrace.

bastard > base, lowly

7 With that she, swerving back, her javelin bright

swerving > shrinking; swerving

8 Against him bent, and fiercely did menace:

bent > directed, brought to bear