scratchpad vs store

scratchpad and store both are nouns.

Word	Noun	Adjective	Verb	Adverb
scratchpad	Yes	No	No	No
store	Yes	No	Yes	No

As nouns, store is a hypernym of scratchpad; that is, store is a word with a broader meaning than scratchpad:

scratchpad: (computer science) a high-speed internal memory used for temporary storage of preliminary information
store: an electronic memory device

Other hypernyms of scratchpad include computer memory, computer storage, memory, memory board, storage.

scratchpad (noun)	store (noun)
(computer science) a high-speed internal memory used for temporary storage of preliminary information	a mercantile establishment for the retail sale of goods or services
	a depository for goods
	an electronic memory device
	a supply of something available for future use

scratchpad (verb)	store (verb)
	keep or lay aside for future use
	find a place for and put away for storage