cereal vs Pablum

cereal and Pablum both are nouns.

Word	Noun	Adjective	Verb	Adverb
cereal	Yes	Yes	No	No
Pablum	Yes	No	No	No

As nouns, Pablum is a hyponym of cereal; that is, Pablum is a word with a more specific, narrower meaning than cereal:

Other hyponyms of cereal include hot cereal, cold cereal, dry cereal.

cereal (noun)	Pablum (noun)
a breakfast food prepared from grain	a soft form of cereal for infants
foodstuff prepared from the starchy grains of cereal grasses
grass whose starchy grains are used as food: wheat, rice, rye, oats, maize, buckwheat, millet

cereal (adjective)	Pablum (adjective)
made of grain or relating to grain or the plants that produce it