buffer vs chemistry

buffer and chemistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
buffer	Yes	No	Yes	No
chemistry	Yes	No	No	No

buffer (noun)	chemistry (noun)
a cushion-like device that reduces shock due to an impact	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
a power tool used to buff surfaces	the way two individuals relate to each other
an inclined metal frame at the front of a locomotive to clear the track	the chemical composition and properties of a substance or object
(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
a neutral zone between two rival powers that is created in order to diminish the danger of conflict
(chemistry) an ionic compound that resists changes in its pH

buffer (verb)	chemistry (verb)
add a buffer (a solution)
protect from impact