As nouns the difference between fibster and firster
is that fibster is one who fibs while firster is (in combination) a person who advocates the primacy of the named entity (who puts it first).
As an adjective firster is
(obsolete) earlier, former.
fibster
English
Synonyms
* fibber
Coordinate terms
* liar
firster
English
Noun
(
en noun)
(in combination) A person who advocates the primacy of the named entity (who puts it first)