Hock has the colloquial interpretation of leaving an item of worth with a pawnbroker as security for a loan or funds.
"I hope you won't eventually give up your daughter as hock for another loan."
Hawk is a diurnal predatory bird which hunts small birds and animals to satisfy its carnivorous tendencies. It could also mean the act of selling goods or items. Also, it is an effort to force up phlegm from the throat accompanied with a funny noise.
"I watched as the hawk swept down and carried the chick."