Amity, n.; pl. Amities.
Etymology: [F. amitié, OF. amistié, amisté, fr. an assumed LL. amisitas, fr. L. amicus friendly, from amare to love. See Amiable.]
Friendship, in a general sense, between individuals, societies, or nations; friendly relations; good understanding; as, a treaty of amity and commerce; the amity of the Whigs and Tories. To live on terms of amity with vice. Cowper.
Syn. -- Harmony; friendliness; friendship; affection; good will; peace.
Shades of meaning
Fernald has no entry of its own for amity; he lists it under friendship, harmony.
Where he writes about it:
Comity is mutual kindly courtesy, with care of each other's right, and amity a friendly feeling and relation, not necessarily implying special friendliness; as, the comity of nations, or amity between neighboring countries. — from friendship