fub

As a symbol rub

is russian rouble.

As a verb fub is

(obsolete) to put off by trickery; to cheat.

As a noun fub is

(obsolete) a plump young person or child.

As nouns the difference between pub and fub

is that pub is a public house where beverages, primarily alcoholic, may be bought and consumed and also provides food and sometimes entertainment, normally television viewing or pub can be a publication while fub is (obsolete) a plump young person or child.

As verbs the difference between pub and fub

is that pub is to go to one or more public houses or pub can be (informal|transitive) to publish while fub is (obsolete) to put off by trickery; to cheat.

As verbs the difference between dub and fub

is that dub is to confer knighthood; the conclusion of the ceremony was marked by a tap on the shoulder with the sword while fub is to put off by trickery; to cheat.

As nouns the difference between dub and fub

is that dub is a mostly instrumental remix with all or part of the vocals removed while fub is a plump young person or child.

As nouns the difference between taxonomy and fub

is that taxonomy is the science or the technique used to make a classification while fub is (obsolete) a plump young person or child.

As a verb fub is

(obsolete) to put off by trickery; to cheat.