(bound form) base; foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)
基
=
其
+
土
:
Joan of Arc (ji) has to repair the watchtower (其) In front of the space station (Ø1). The tower needs a new foundation (基), and because it is floating in outer space, Joan of Arc can just add some dirt (土) to its base (基) to create a new foundation.
材
=
才
+
木
:
In the airplane's kitchen (ai2) , the King of Chu (c) investigates a Christmas tree (木) with his secret X-ray vision talent (才). He can see that the material (材) the tree is made out of is not timber (材); instead, he sees that the tree has been 3D printed.