As a noun eruption

is eruption.

As an adjective strombolian is

(geology) (strombolian).

As a noun fountain

is a spring, natural source of water.

As a verb fountain

is to flow or gush as if from a fountain.

As an adjective Strombolian is

of, or pertaining to, the island or volcano of Stromboli.

As a verb lava

is to wash.

As an adjective strombolian is

(geology) (strombolian).

As a noun crater

is crater.

As an adjective strombolian is

(geology) (strombolian).

Mouth is a initialism of npo.

As a noun mouth

is (anatomy) the opening of a creature through which food is ingested.

As a verb mouth

is to speak; to utter.

As an initialism npo is

(medicine) "nil per os" (nothing by mouth - nothing may be eaten or drunk).

Profit is a initialism of npo.

As a noun profit

is profit.

As an initialism npo is

(medicine) "nil per os" (nothing by mouth - nothing may be eaten or drunk).

Organization is a initialism of npo.

As a noun organization

is (uncountable) the quality of being organized.

As an initialism npo is

(medicine) "nil per os" (nothing by mouth - nothing may be eaten or drunk).

As adverbs the difference between heretofore and hereuntofore

is that heretofore is (formal) prior to now, until now, up to the present time; from the origin to this point while hereuntofore is (rare) heretofore.

As adjectives the difference between chronic and multimorbid

is that chronic is of a problem, that continues over an extended period of time while multimorbid is suffering from more than one chronic illness at the same time.

As a noun chronic

is (slang) marijuana, typically of high quality.

Multimorbid is a synonym of comorbid.

As adjectives the difference between comorbid and multimorbid

is that comorbid is that occurs at the same time as another while multimorbid is suffering from more than one chronic illness at the same time.