horseradish vs isothiocyanate

horseradish and isothiocyanate both are nouns.

Word	Noun	Adjective	Verb	Adverb
horseradish	Yes	No	No	No
isothiocyanate	Yes	No	No	No

horseradish (noun)	isothiocyanate (noun)
grated horseradish root	a family of compounds derived from horseradish and radishes and onions and mustards; source of the hotness of those plants and preparations
coarse Eurasian plant cultivated for its thick white pungent root
the root of the horseradish plant; it is grated or ground and used for seasoning