underpin

As a verb underpin

is to support from below with props or masonry.

As a noun reinforcement is

(uncountable) the act, process, or state of reinforcing or being reinforced.

As verbs the difference between underpin and drive

is that underpin is to support from below with props or masonry while drive is .

In lang=en terms the difference between underpin and enhance

is that underpin is to support from below with props or masonry while enhance is to be raised up; to grow larger.

As verbs the difference between underpin and enhance

is that underpin is to support from below with props or masonry while enhance is (obsolete) to lift, raise up.

In lang=en terms the difference between underpin and intensify

is that underpin is to support from below with props or masonry while intensify is to become intense, or more intense; to act with increasing power or energy.

As verbs the difference between underpin and intensify

is that underpin is to support from below with props or masonry while intensify is to render more intense; as, to intensify heat or cold; to intensify colors; to intensify a photographic negative; to intensify animosity.

As verbs the difference between overrun and underpin

is that overrun is to defeat an enemy and invade in great numbers, seizing his positions conclusively while underpin is to support from below with props or masonry.

As a noun overrun

is an instance of overrunning.

As verbs the difference between brace and underpin

is that brace is (intransitive) to prepare for something bad, as an impact or blow while underpin is to support from below with props or masonry.

As a noun brace

is (obsolete) armor for the arm; vambrace.

As a verb underpin

is to support from below with props or masonry.

As an adjective undefined is

lacking a definition or value.

As verbs the difference between undercut and underpin

is that undercut is to sell (something) at a lower price, or to work for lower wages, than a competitor while underpin is to support from below with props or masonry.

As a noun undercut

is a cut made in the lower part of something; the material so removed.

As a noun leg

is lake.

As a verb underpin is

to support from below with props or masonry.