gaiety

cherohobia

garlic

alliumphobia

genitals (female)

eurotophobia

germs

spermatophobia or spermophobia

Germany, Germans

Germanophobia

ghosts

phasmophobia

girls (young) or virgins

parthenophobia

glass

hyelophobia or hyalophobia

goblins, demons

bogyphobia

God or religion

theophobia

gold

aurophobia

good news (hearing)

euphobia

gravity

barophobia

Greek (or complex scientific) terms

Hellenologophobia