As nouns the difference between amatuer and mature

is that amatuer is while mature is masts (of a ship).

As verbs the difference between diffuse and proliferate

is that diffuse is to spread over or through as in air, water, or other matter, especially by fluid motion or passive means while proliferate is to increase in number or spread rapidly.

As an adjective diffuse

is everywhere or throughout everything; not focused or concentrated.

As verbs the difference between mechanizing and machining

is that mechanizing is while machining is .

As a noun machining is

the act or process of machining, of manufacturing or finishing by machine.

As verbs the difference between share and reshare

is that share is to give part of what one has to somebody else to use or consume while reshare is to share again.

As a noun share

is a portion of something, especially a portion given or allotted to someone.

As an abbreviation fit

is (travel industry|aviation) fully inclusive tour.

As a verb embed is

to lay as in a bed; to lay in surrounding matter; to bed; as, to embed a thing in clay, mortar, or sand.

As a noun embed is

an embedded reporter/journalist: a war reporter assigned to and travelling with a military unit.

As adjectives the difference between conjoint and concurrent

is that conjoint is joined together; combined; joint while concurrent is happening at the same time; simultaneous.

As a noun concurrent is

one who, or that which, concurs; a joint or contributory cause.

As nouns the difference between compassion and kayak

is that compassion is deep awareness of the suffering of another, coupled with the wish to relieve it while kayak is a type of small boat, powered by the occupant or occupants using a double-bladed paddle in a sitting position.

As verbs the difference between compassion and kayak

is that compassion is (obsolete) to pity while kayak is (label) to use a kayak, to travel or race in a kayak.

As verbs the difference between obtain and preserve

is that obtain is to get hold of; to gain possession of, to procure; to acquire, in any way while preserve is .

As adjectives the difference between buttery and viscous

is that buttery is made with or tasting of butter while viscous is having a thick, sticky consistency between solid and liquid.

As a noun buttery

is a room for keeping food or beverages; a storeroom.

As nouns the difference between cloth and bowl

is that cloth is (uncountable) a woven fabric such as used in dressing, decorating, cleaning or other practical use while bowl is a roughly hemispherical container used to hold, mix or present food, such as salad, fruit or soup, or other items or bowl can be the ball rolled by players in the game of lawn bowls.

As a verb bowl is

(label) to roll or throw (a ball) in the correct manner in cricket and similar games and sports.