Refit vs Modify - What's the difference?

As verbs the difference between refit and modify

is that refit is while modify is to make partial changes to.

(en noun)

An act of having something fitted again, or replaced.

To fit again; to put back into its place.

To prepare for use again; to repair or restore.

to refit''' a garment; to '''refit ships of war

(Macaulay)

To fit out or supply again.

* ----

(en-verb)

To make partial changes to.

To be or become modified.

* adapt, alter, amend, revamp, rework

* *