Synonyms for Nerd:

n.

follower, dip, evangelist, imbecile, goof, nincompoop, ninny, tomfool, jerk, fan, enthusiast, softhead, ding-dong, goose, simpleton, ability, moron, lover, nitwit, devotee, supporter, fanatic, man, schmo, turkey, gander, cretin, fool, schmuck, simple, aficionado, Mooncalf. diehard, bore, anorak, dinosaur, drip, fogey, like, conservative, Drongo, pill. fool (noun)
turkey, tomfool, schmo, softhead, ninny, Mooncalf.
geek (noun)
fool, jerk.
nerd (noun)
swot, grind, wonk.

Other synonyms:

fool, cretin, softhead, tomfool, ninny, ding-dong, schmuck, schmo. moron, goof, Mooncalf, simpleton, nincompoop, goose, nitwit, turkey. gander, drip, pill. simple. Other relevant words:
like, dip, softhead, imbecile, lover, anorak, goof, nincompoop, bore, Mooncalf, dinosaur, schmuck, follower, simpleton, ability, fanatic, schmo, simple, goose, evangelist, gander, fool, cretin, man, fan, drip, supporter, pill, ninny, Drongo, devotee, jerk, moron, conservative, fogey, nitwit, enthusiast, turkey, diehard, aficionado, ding-dong, tomfool.