pyramid vs investing

pyramid and investing both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyramid	Yes	No	Yes	No
investing	Yes	No	No	No

pyramid (noun)	investing (noun)
(stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases	the act of investing; laying out money or capital in an enterprise with the expectation of profit
a polyhedron having a polygonal base and triangular sides with a common vertex

pyramid (verb)	investing (verb)
increase rapidly and progressively step by step on a broad base
arrange or build up as if on the base of a pyramid
enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts
use or deal in (as of stock or commercial transaction) in a pyramid deal