As nouns the difference between freat and frett
is that freat is while frett is a vitreous compound, used by potters in glazing, consisting of lime, silica, borax, lead, and soda or frett can be (mining) the worn side of the bank of a river.
frett
English
Etymology 1
See frit.
Noun
(en-noun)
A vitreous compound, used by potters in glazing, consisting of lime, silica, borax, lead, and soda.
Etymology 2
See fret.