What's the difference between again and amain?

Again

Definition:

• (adv.) In return, back; as, bring us word again.
• (adv.) Another time; once more; anew.
• (adv.) Once repeated; -- of quantity; as, as large again, half as much again.
• (adv.) In any other place.
• (adv.) On the other hand.
• (adv.) Moreover; besides; further.
• (prep.) Alt. of Agains

Example Sentences:

Amain

Definition:

• (n.) With might; with full force; vigorously; violently; exceedingly.
• (n.) At full speed; in great haste; also, at once.
• (v. t.) To lower, as a sail, a yard, etc.
• (v. i.) To lower the topsail, in token of surrender; to yield.

Example Sentences: