Collocations for cling - verb

closely, firmly, tightly
I clung closely to my mother's arm.

desperately, fiercely, helplessly
She clung fiercely to him.

precariously
houses clinging precariously to sheer cliffs

together
The children clung together in fear.

onto
She clung onto my arm.

to
He clung tightly to the raft to keep himself afloat.

close, closely
The ground mist clung closely to the bushes.

to

still
doggedly, rigidly, steadfastly, stubbornly, tenaciously
He still clings stubbornly to his socialist ideas.

desperately, fiercely
She was desperately clinging on to life.

barely
He lay there, barely clinging to consciousness.

Cling is used with these nouns as the subject:
ivy