换huàn

to exchange, change (clothes, etc.). 10 strokes, radical 扌, first met in HSK 2.

Pinyin huànStrokes 10Radical 扌Band HSK 2Words 5

What 换 is made of

扌 (shǒu, hand) and 奂 (huàn, numerous).

扌 carries the meaning — hand — and 奂 carries the sound.

Strokes 1–3 write 扌, then strokes 4–10 write 奂.

Free, with no account: the app draws each stroke, then you write it and it says which stroke went wrong.

换(huàn)	to exchange, change (clothes, etc.) 把原来的东西变成另一件天冷了，他换上厚厚的棉衣。When it turned cold, he changed into a thick padded coat. Lesson 33, 欢迎回国 · 寰宇交流与民生安和 · Global Exchange, Active Vitality & Household Care
交(jiāo)换(huàn)	to exchange (views) 你给我一样，我给你一样，互相交流学者们同专家深入交换了意见。The scholars had a deep exchange of views with the experts. Lesson 298, 学府论道与经世创新 · 经世学林与市井清音 · Academic Scholarship, Civic Transit & Family Order
更(gēng)换(huàn)	to replace, change out 指用新的替换掉旧的设备及时更换了磨损的磨具。The equipment had its worn dies promptly replaced. Lesson 425, 工艺推新 · 鼎新革故与工巧天成 · Systemic Renewal & Masterly Craftsmanship
转(zhuǎn)换(huàn)	to switch, convert 指从一种形式变为另一种形式注重绿色能源转换效率。They focused on the efficiency of energy conversion. Lesson 533, 专利拓新 · 笃行至善与精业拓新 · Biomedical Care & Industrial Innovation
变(biàn)换(huàn)	to change, vary (in form) 指事物的形式发生转变变换加工工艺即可变更内部结构。varying the craft technique can reshape the structure. Lesson 544, 器宇不凡 · 笃行固本与风云激荡 · Foundations of Excellence & Social Transformation

All 105 of them, and what the radical means, on the 手 radical page.