words I thought were invented by fantasy writers when I first encountered them

A list of 5 words by ellenw.

• concubine 48349 appears on 44 other lists and has 2 comments
• geas 48350 appears on 13 other lists and has 3 comments
• guild 48351 appears on 15 other lists
• lief 48352 appears on 14 other lists and has 3 comments
• mendicant 48353 appears on 82 other lists and has 3 comments