As a verb ai

is (also imperfect tense in the literary language).

As a noun robots is

.

As nouns the difference between renumeration and donation

is that renumeration is while donation is a voluntary gift or contribution for a specific cause.

As verbs the difference between slammed and swamped

is that slammed is past tense of slam while swamped is past tense of swamp.

As an adjective swamped is

very busy; having too much to do.

In figuratively terms the difference between haul and load

is that haul is to pull while load is a worry or concern to be endured, especially in the phrase a load off one's mind.

As verbs the difference between haul and load

is that haul is to carry something; to transport something, with a connotation that the item is heavy or otherwise difficult to move while load is to put a load on or in (a means of conveyance or a place of storage).

As nouns the difference between haul and load

is that haul is a long drive, especially transporting/hauling heavy cargo while load is a burden; a weight to be carried.

In pejorative terms the difference between hobo and drifter

is that hobo is a tramp, vagabond; hence bum while drifter is a person who moves from place to place or job to job.

As nouns the difference between hobo and drifter

is that hobo is a homeless, usually penniless person, in some way associated with a life along the rails while drifter is a person who moves from place to place or job to job.

As a verb hobo

is to be a hobo, tramp, bum etc.

As a noun monkey is

any member of the clade simiiformes not also of the clade hominoidea containing humans and apes, from which they are usually, but not universally, distinguished by smaller size, a tail, and cheek pouches.

As a verb monkey is

(label) to meddle; to mess with; to interfere; to fiddle.

As nouns the difference between juxtaposition and superimposition

is that juxtaposition is the nearness of objects with no delimiter while superimposition is the placing of one on top of another, especially placing a photograph over some other graphic.

As a verb juxtaposition

is to place in juxtaposition.

As proper nouns the difference between eric and brett

is that eric is , cognate to eric while brett is meaning "breton, an inhabitant of brittany".

In uncountable terms the difference between lettuce and celery

is that lettuce is the leaves of the lettuce plant, eaten as a vegetable; as a dish often mixed with other ingredients, dressing etc while celery is the stalks of this herb eaten as a vegetable.

As nouns the difference between lettuce and celery

is that lettuce is an edible plant, Lactuca sativa and its close relatives, having a head of green and/or purple leaves while celery is a European herb (Apium graveolens) of the carrot family.

As nouns the difference between radical and extremists

is that radical is a member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally stopping short of socialism) while extremists is plural of lang=en.

As an adjective radical

is favoring fundamental change, or change at the root cause of a matter.