登録【とうろく】
registration, accession, register, entry, record
登場【とうじょう】
entry (on stage), appearance (on screen), entrance, introduction (into a market)
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