Other hyponyms of specializer include
enologist,
fermentologist,
oenologist,
attache,
canonist,
criminologist,
crystallographer,
nutritionist,
dietician,
dietitian,
educationalist,
educationist,
fingerprint expert,
fingerprint specialist,
Germanist,
designer,
graphic designer,
graphologist,
handwriting expert,
designer,
interior designer,
decorator,
house decorator,
interior decorator,
room decorator,
limnologist,
meteorologist,
oculist,
optometrist,
orientalist,
Teutonist,
arborist,
tree surgeon.