chắn
verb

to shield
(usually of a road) to block

noun

a barrier; an obstacle
a type of card game using tổ tôm cards

dấn
verb

to launch; to plunge; to throw
to press down; to push down; to suppress
to try harder; to hasten; to make an extra effort

sán
noun

(zoology) a parasitic flatworm (of the phylum Platyhelminthes)

verb

to physically approach; to come near