As nouns the difference between stud and studmaster

is that stud is a male animal, especially a stud horse (stallion), kept for breeding or stud can be a small object that protrudes from something; an ornamental knob while studmaster is someone who raises studs (horses).

As a verb stud

is to set with ; to furnish with studs.

As nouns the difference between acronym and netcronym

is that acronym is an abbreviation formed by (usually initial) letters taken from a word or series of words, that is itself pronounced as a word, such as ram'', ''radar'', or ''scuba ; sometimes contrasted with initialism while netcronym is (internet|informal|rare) an acronym or initialism used on the internet, such as (lol) for "laugh out loud".

As nouns the difference between initialism and netcronym

is that initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter while netcronym is (internet|informal|rare) an acronym or initialism used on the internet, such as (lol) for "laugh out loud".

As a noun netcronym is

(internet|informal|rare) an acronym or initialism used on the internet, such as (lol) for "laugh out loud".

Telemovie is a synonym of telefilm.

As nouns the difference between telefilm and telemovie

is that telefilm is a film made for television while telemovie is a feature film produced and originally distributed by a television network.

As a noun topspin

is a rotational motion, especially that given to a ball, in which the upper surface spins in the direction of motion.

As a verb topspin

is to spin (a ball) with this motion.

As an adjective topspun is

affected by topspin.

As nouns the difference between hay and hayshed

is that hay is grass cut and dried for use as animal fodder while hayshed is a shed or barn used to store hay.

As a verb hay

is to cut grasses or herb plants for use as animal fodder.

As nouns the difference between helicopter and helitanker

is that helicopter is helicopter while helitanker is a helicopter used in firefighting, especially against forest fires, which drops water or other fire retardant on the fire.

As nouns the difference between firefighting and helitanker

is that firefighting is (firefighting) extinguishing a fire while helitanker is a helicopter used in firefighting, especially against forest fires, which drops water or other fire retardant on the fire.

As nouns the difference between water and helitanker

is that water is (uncountable) a chemical, found at room temperature and pressure as a clear liquid, having the formula h₂o, required by all forms of life on earth while helitanker is a helicopter used in firefighting, especially against forest fires, which drops water or other fire retardant on the fire.

As a verb water

is to pour water into the soil surrounding (plants).