疏松

to loosen

variant of 疏[shu1]

surname Shu

to dredge / to clear away obstruction / thin / sparse / scanty / distant (relation) / not close / to neglect / negligent / to present a memorial to the Emperor / commentary / annotation

surname Song

pine / CL:棵[ke1]

loose / to loosen / to relax / floss (dry, fluffy food product made from shredded, seasoned meat or fish, used as a topping or filling)

osteoporosis

osteoporosis