登場【とうじょう】
entry (on stage), appearance (on screen), entrance, introduction (into a market)
登録【とうろく】
registration, accession, register, entry, record
登山【とざん】
mountain climbing, ascending a mountain, ascent
登校【とうこう】
attendance (at school), going to school
登記【とうき】
registry, registration
登用【とうよう】
appointment, assignment, promotion
山登り【やまのぼり】
mountain climbing, mountaineering
登板【とうばん】
taking the mound, pitching a game
登頂【とうちょう】
climbing to the summit, summiting
登竜門【とうりゅうもん】
gateway to success, opening to honours, opening to honors
登載【とうさい】
running (an article), carrying, printing, publication, registration, record, listing, inclusion (on a list)
登壇【とうだん】
taking the podium, mounting the rostrum, going on stage to give a speech, etc.
登院【とういん】
attendance at the House, attending a session of the Diet, attendance at an academy (of arts, etc.), attendance at an (academic) institute
登庁【とうちょう】
attending a government office, going to work (for a government official)