トウ、ト、ドウ、ショウ、チョウ

のぼ.る、あ.がる

登, 癶, 豆, 口

ascend, climb up

登録(とうろく): registration; accession; register; entry; record
登場(とうじょう): (1) entry (on stage); appearance (on screen) (2) entrance; introduction (into a market)
登校(とうこう): attendance (at school); going to school
登山(とざん): mountain climbing