lock

As a proper noun lock

is .

As a noun wedlock is

the state of being married; matrimony.

As a proper noun lock

is .

As an acronym juice is

(space|esa).

Lock is a synonym of quiff.

As a proper noun lock

is .

As a noun quiff is

a puff or whiff, especially of tobacco smoke or quiff can be (regional|slang) a trick or ploy; a stratagem or quiff can be a hairstyle whereby the forelock is brushed and/or gelled upward, often associated with the styles of the 1950s or quiff can be (slang) a young girl, especially as promiscuous; a prostitute.

As a verb quiff is

to arrange (the hair) in such a manner.

As proper nouns the difference between lock and locket

is that lock is while locket is .