Substantial is  a   related word    that    means   “of significant size,   worth,  or  importance.”    You could
say that    by  substantiating  something,  you make    it  more    substantial.
superficial (soo pur FISH ul) adj on the surface only; shallow; not thorough
Mnemonic:If  you think   you have    a   SUPER   FACE,   then    you might   be  SUPERFICIAL,    concerned
only    with    the SURFACE of  things.- Tom   had indeed  been    shot,   but the wound   was superficial;    the bullet  had merely  creased
 the tip of his nose.
- The   mechanic,   who was in  a   hurry,  gave    my  car what    appeared    to  be  a   superficial tune-
 up. In fact, if he checked the oil, he did it without opening the hood.
A person who is superficial can be accused of superficiality:
- The   superficiality  of  the editor’s    comments    made    us  think   that    he  hadn’t  really  read    the
 manuscript.
undermine (UN dur myne) v to impair; to subvert; to weaken by excavating underneath
Mnemonics:- MINES  are     UNDER   the     earth.  You     would   WEAKEN  a   building    by  digging
 MINES underneath it.
- Land MINES UNDER my feet would WEAKEN me.
