As verbs the difference between interlock and interrelate
is that interlock is to fit together securely while interrelate is to form relationships between multiple things.
As a noun interlock
is a safety device that prevents activation in unsafe conditions.
interlock
English
Verb
(
en verb)
To fit together securely.
To interlace.
Noun
(
en noun)
A safety device that prevents activation in unsafe conditions.
:The demonstrator couldn't figure out why the machine wouldn't work, until he remembered that there was an interlock so it wouldn't operate with the cover open.
interrelate
English
Verb
(interrelat)
To form relationships between multiple things