pellicle vs investment

pellicle and investment both are nouns.

Word	Noun	Adjective	Verb	Adverb
pellicle	Yes	No	No	No
investment	Yes	No	No	No

As nouns, investment is a hypernym of pellicle; that is, investment is a word with a broader meaning than pellicle:

pellicle (noun)	investment (noun)
thin protective membrane in some protozoa	the act of investing; laying out money or capital in an enterprise with the expectation of profit
	the act of putting on robes or vestments
	the ceremonial act of clothing someone in the insignia of an office; the formal promotion of a person to an office or rank
	outer layer or covering of an organ or part or organism
	the commitment of something other than money (time, energy, or effort) to a project with the expectation of some worthwhile result
	money that is invested with an expectation of profit