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