tock

As verbs the difference between took and tock

is that took is simple past of take while tock is to produce such a sound.

As a noun tock is

a clicking sound similar to one made by the hands of a clock.

As nouns the difference between stock and tock

is that stock is a store or supply while tock is a clicking sound similar to one made by the hands of a clock.

As verbs the difference between stock and tock

is that stock is to have on hand for sale while tock is to produce such a sound.

As an adjective stock

is of a type normally available for purchase/in stock.