住 / 往: how to tell them apart

住 has the person radical 亻 — a person lives somewhere (住在). 往 has the walking radical 彳 — walking towards (往前走).

住 zhù — to live, stay

住

忍不住	rěn bú zhù	unable to resist	3B lesson 15
钩住	gōu zhù	hook onto/catch	4B lesson 16

往

往回走	wǎng huí zǒu	to walk back	3A lesson 9
往里钻	wǎng lǐ zuān	to squeeze one's way in	4A lesson 7