Feodaries is a 9 letter English word. It's valid Scrabble word worth 14 points. It's valid Words with friends word worth 13 points.
You can make 499 anagrams from letters in feodaries (adeefiors).
1350-1400; Middle English feodarie Medieval Latin feodārius. See feud2, -ary
I do not think Richardson was at all justified in making, as he seems to do, fedary a different word from feodary.
In 1453 by a feodary it appears that Edward Hastings held Crosby by cornage of 13s.
The terms of the tenure are but very rarely described, for Domesday Book is no feodary.