As adverbs the difference between fewly and feyly
is that fewly is in small numbers while feyly is in a fey way.
fewly
English
Adverb
(
en adverb)
(rare, nonstandard) In small numbers.
* 1894 , Lewis Carroll, Sylvie and Bruno
- "Yes," said Bruno; "but they went so slowly and so fewly , I didn't care to count them ."
Usage notes
* This word is most commonly an error made by non-native speakers.