1
Gust
Taste
2
Naus
Seasickness
3
Oculo
Eye
4
Olfact
Smell
5
OP
See
6
Ophthalm
Eye
7
Optic/Optico
Eye or vision
8
Ot/Oto
Ear
9
Papill
Nipple
10
Presby
Old
11
Propri
One's own
12
Semi
Half
13
Tympan
Drum
14
Parie
Wall
15
Morph
Form
16
Amphi/amph
Between, on both sides
17
Bi
Twice, double
18
Tri
Three
19
End
Within
20
Pharmo/Pharma
Medicine, Drugs