Able to speak and or write easily or clearly
Fluent
State of continual change or movement
Name Antonym
Flux
Ant: inactivity
A minor weakness in character
Foible
A loud quarrel
Fraces
Trivial, silly
Name antonym
Frivolous
Ant: vital, important
Useless
Name antonym
Futile
Ant: successful, effective, profitable
A large hook
Gaff
A manner of walking
Gait
An opening manuever one uses to gain advantage
Gambit
To stare with an open mouth
Gape
To distort
Garble
Family history
Genealogy
Beginning; origin
Genesis
Horrible frightful
Name antonym
Ghastly
Ant: lovely attractive
Glaringly bad; outrageous
Flagrant