In obsolete|lang=en terms the difference between fother and flother
is that
fother is (obsolete) a wagonload; a load of any sort while
flother is (obsolete) snowflake.
As nouns the difference between fother and flother
is that
fother is (obsolete) a wagonload; a load of any sort while
flother is (obsolete) snowflake.
As a verb fother
is (dialect) to feed animals (with fother).