As adverbs the difference between recently and then

is that recently is in the recent past; newly; lately; freshly; not long since while then is (label) at that time.

As an adjective then is

being so at that time.

As a noun then is

that time.

As a conjunction then is

.

As nouns the difference between lifepreserver and lifebuoy

is that lifepreserver is alternative form of life preserver|nodot=yes (personal flotation device while lifebuoy is an alternative spelling of life-buoy.

As a verb absorb

is to include so that it no longer has separate existence; to overwhelm; to cause to disappear as if by swallowing up; to incorporate; to assimilate; to take in and use up .

As a noun drink is

drink (alcoholic).

As nouns the difference between business and organisations

is that business is a specific commercial enterprise or establishment while organisations is plural of lang=en.

As an adjective business

is of, to, pertaining to or utilized for purposes of conducting trade, commerce, governance, advocacy or other professional purposes.

As nouns the difference between pathogens and disease

is that pathogens is while disease is (pathology) an abnormal condition of the body or mind that causes discomfort or dysfunction; distinct from injury insofar as the latter is usually instantaneously acquired.

As a verb disease is

(obsolete) to cause unease; to annoy, irritate.

As verbs the difference between elicit and tempt

is that elicit is to evoke, educe (emotions, feelings, responses, etc); to generate, obtain, or provoke as a response or answer while tempt is to provoke someone to do wrong, especially by promising a reward; to entice.

As an adjective elicit

is (obsolete) elicited; drawn out; made real; open; evident.

As nouns the difference between sonance and sound

is that sonance is a sound; a tune while sound is a sensation perceived by the ear caused by the vibration of air or some other medium.

As an adjective sound is

healthy.

As an adverb sound is

soundly.

As an interjection sound is

yes; used to show agreement or understanding, generally without much enthusiasm.

As a verb sound is

to produce a sound.

As a proper noun Sound is

the strait that separates Zealand (an island of Denmark) from Scania (part of Sweden); also sometimes called by the Danish name, Øresund.

As a noun potato

is a plant tuber, Solanum tuberosum, eaten as a starchy vegetable, particularly in the Americas and Europe.

As a proper noun Sahara is

a desert in North Africa, the largest hot desert in the world.

As nouns the difference between majors and programs

is that majors is plural of major while programs is plural of lang=en.

As a verb programs is

third-person singular of program.

As nouns the difference between monarchy and oligarch

is that monarchy is a government in which sovereignty is embodied within a single, today usually hereditary head of state (whether as a figurehead or as a powerful ruler) while oligarch is a member of an oligarchy, someone who is part of a small group that runs a country.