As verbs the difference between retaining and maintaining
is that retaining is while maintaining is .
As an adjective retaining
is of or pertaining to something that retains something else, as with a retaining wall.
As a noun maintaining is
the act of doing maintenance.
retaining
English
Adjective
(-)
Of or pertaining to something that retains something else, as with a retaining wall.
Verb
(head)
maintaining
English
Noun
(-)
The act of doing maintenance.
Verb
(head)