pand-, pans-, pass-

(Latin: stretch, stretching; spread, spreading)

expand
Etymology: "spread out, spread flat" from Anglo-French espaundre, Middle Frenckh espandre and directly from Latin expandere "to spread out, to unfold, to expand"; from ex-, "out" + pandere, "to spread, to stretch".
expander
expanse
expansibility
expansible
expansibleness
expansibly
expansion
expansionism
expansionist
expansive
expansively
expansiveness
macroexpansion
In computer programming, a sequence of statements produced from a macrogeneration operation.
pander, panderer, pandering (not related to the pand-, pans-, pass- family).
1. To act as a go-between or liaison in sexual intrigues; to function as a procurer.
2. To cater to the lower tastes and desires of others or to exploit their weaknesses.
3. To indulge someone's weaknesses or questionable wishes and tastes: "The mother was tired of pandering to her children's demands."

Be aware that the terms pander, panderer, pandering are NOT related to this unit of "stretch, spread" family members. It is presented here with the purpose of letting people know that there is no relationship to this pand-, pans- group of words.