同

lesbian

Physics

radioisotope; radioactive isotope

boycott; buyer's strike

joint struggle

Tripartite Pact (between Japan, Germany and Italy in WWII)

Computing

asynchronous

collective farm

shipping conference

Mathematics

homomorphism

Law

criminal conspiracy (participation in the planning of a crime, but not its execution)

a country being in a state of universal peace; the world being peaceful and uneventful

Astronomy

geosynchronous orbit

Japanese-Jewish common ancestry theory

joint manufacturing; joint production; production joint venture

different in appearance but essentially the same in content; equal in skills or workmanship but different in style or artistic flavor; the same for all practical purposes

code-sharing (e.g. airlines); joint operation

Mahjong

triple pung; winning hand containing the same pung in each of the three suits

joint meeting

Biochemistry

carbon assimilation; carbon fixation

technical works

concerted action

boycott

joint inheritance

common faucet