aphid;  plant louse;  cockroach;  Japanese house bat (Pipistrellus abramus);  hanger-on;  parasite
 rape (seed oil plant, Brassica campestris)
 aburaage;  thin deep-fried slices of tofu;  frying in oil;  deep-fried food
 fat greenling (Hexagrammos otakii);  salamander
 Amur minnow (Phoxinus logowskii steindachneri)
 (as used in Northern Japan) greenling;  (as used in Kochi and surrounds) medaka ricefish
 oil palm (esp. the African oil palm, Elaeis guineensis)
 spiny dogfish (Squalus acanthias)
 Japanese pipistrelle (Pipistrellus abramus);  Japanese house bat
 incompatible;  (going together) like oil and water
 oil paints;  oil colors (colours);  oils
 (adding) fuel to the fire
 oil bottle (esp. for hair oil);  oilcup;  font (in an oil lamp)
 shoji with an oil-treated screen (for increased water resistance)
 tea seed oil;  camellia oil
 stir frying;  stir-fried food
 oil-based clay (for modelling, sculpting, etc.)
 pomade;  pomatum;  hair oil
 oil cake (fertilizer made of oily vegetable dregs);  deep-fried meat (esp. beef offal) resembling a pork rind
 oil deflector;  shallow tray with rack for draining food after deep frying
 incompatible;  (going together) like oil and water
 medieval trade guild specialized in perilla oil
 (lubricating) oil;  oiling a machine
 color of rapeseed oil;  clear yellow with a red tinge
 stone with oil-like lustre (luster);  coal;  charcoal
 bone oil;  clarified bone stock