He and It

He noun - A very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas).

It and he are semantically related. In some cases you can use "It" instead a pronoun "He".

It noun - The branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information.

He and it are semantically related. You can use "He" instead a pronoun "It".