bark1
Pronunciation: /bɑːk/
noun
verb

Phrases
-
someone's bark is worse than their bite
- someone’s fierce and intimidating manner does not reflect their true nature: don’t worry, her bark is worse than her bite
-
be barking up the wrong tree
- informal be pursuing a mistaken or misguided line of thought or course of action: his wife thinks he’s under suspicion, but I’m sure she’s barking up the wrong tree

Origin:
Old English beorc (noun), beorcan (verb), of Germanic origin; possibly related to break1