同

Organization name

Alianza Popular Revolucionaria Americana

consensual homicide; murder with consent of the victim

lesbian

Medicine; Law

capacity to consent

Physics

radioisotope; radioactive isotope

Logic

principle of identity; law of identity

boycott; buyer's strike

joint struggle

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

same-sex marriage; gay marriage

collective farm

shipping conference

same race and same script

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

same-sex partnership

Japanese-Jewish common ancestry theory

same race and same language

joint manufacturing; joint production; production joint venture

synchronous communication

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