Titular is a related term of apparent.

As adjectives the difference between titular and apparent

is that titular is of, relating to, being, derived from, or having a title while apparent is capable of being seen, or easily seen; open to view; visible to the eye; within sight or view.

As a noun titular

is one who holds a title.

Catch is a related term of occupy.

In obsolete|lang=en terms the difference between catch and occupy

is that catch is (obsolete) a type of strong boat, usually having two masts; a ketch while occupy is (obsolete) to use; to expend; to make use of.

As verbs the difference between catch and occupy

is that catch is (lb) to capture, overtake while occupy is (label) to take or use time.

As a noun catch

is (countable) the act of seizing or capturing (jump).

Invest is a related term of permit.

As verbs the difference between invest and permit

is that invest is (dated) to clothe or wrap (with garments) while permit is .

As a noun invest

is (meteorology) an unnamed tropical weather pattern "to investigate" for development into a significant (named) system