課
chapter, lesson, section, department, division, counter for chapters (of a book)
On'yomi: カ (ka)
Stroke order
長
long, leader, superior, senior
On'yomi: チョウ (chou)
Kun'yomi: なが.い (naga.i)、 おさ (osa)
Radical components: 長
Stroke order
補
supplement, supply, make good, offset, compensate, assistant, learner
On'yomi: ホ (ho)
Kun'yomi: おぎな.う (ogina.u)
Stroke order