As nouns the difference between carlock and marlock
is that carlock is a sort of russian isinglass, made from the air bladder of the sturgeon, and used in clarifying wine while marlock is any of various small eucalypts of southwest australia.
carlock
English
Noun
A sort of Russian isinglass, made from the air bladder of the sturgeon, and used in clarifying wine.
(
Webster 1913)
marlock
English
Noun
(
en noun)
Any of various small eucalypts of southwest Australia.