anxiety, fear

a caste among Hindus who by profession domesticated birds and animals

pecking, tapping

suspicion, doubt

sound of knocking

rankle, cause persistent annoyance or resentment

suspicion, doubt

knock, rap, rattling sound or noise, clatter

anxiety, concern

Felt doubt or misgiving, hesitated

anything that makes a rattling sound, knocking

doubt, fear, be apprehensive

to worry, to be suspicious, to be anxious, to feel fearful, to be afraid

to knock at (a door)

hammering or knocking sound, tinkering sound, repeated or continuous knocking or rapping

a bug

to knock, rap, rattle, make a clatter