deadly
one of the world's deadliest snakes

poisonous, venomous
giant, huge, large
dead, live
He had a live snake draped over his shoulders.

pet
He keeps a pet snake that he lavishes with affection.

sea, tree, water
coiled (often figurative)
The men sit like coiled snakes that are ready to strike.

bite sb/sth, strike sth
She was bitten by a snake while walking through long grass.
The snake lifted up its head before striking its prey.

slide, slither, wind, wind its way
A small green snake slithered across the wet road.
The snake wound its way through the undergrowth.

hiss, spit
shed its skin
coil around sth, coil itself around sth, curl up

bite (usually snakebite)
charmer, handler
venom

a snake in the grass (figurative)
I came to realize that he's just a snake in the grass.

Snake is used with these nouns as the object:
way