Triennium is a related term of year.

As nouns the difference between year and triennium

is that year is the time it takes the Earth to complete one revolution of the Sun (between 365.24 and 365.26 days depending on the point of reference) while triennium is a period of three years.

Trieterical is a related term of triennium.

As an adjective trieterical

is (rare) triennial: occurring once in three years.

As a noun triennium is

a period of three years.

As verbs the difference between implore and obtest

is that implore is to beg urgently or earnestly while obtest is to implore, beseech, plead, beg.

As verbs the difference between beseech and obtest

is that beseech is to beg or implore while obtest is to implore, beseech, plead, beg.

As a noun beseech

is a request.

As verbs the difference between plead and obtest

is that plead is to present an argument, especially in a legal case while obtest is (archaic|ambitransitive) to implore, beseech, plead, beg.

As a noun beg

is .

As a verb obtest is

(archaic|ambitransitive) to implore, beseech, plead, beg.

Roflol is a alternative form of rotflol.

As initialisms the difference between rotflol and roflol

is that rotflol is rolling on the floor laughing out loud while ROFLOL is rolling on the floor laughing out loud.

As an interjection lol

is alternative form of LOL|lang=en.

As a verb lol

is alternative form of LOL|lang=en.

As a noun LOL

is Loyal Orange Lodge, a prefix given to all branches of the Loyal Orange Order. For example, LOL 1 is Portadown branch.

As an initialism ROFLOL is

rolling on the floor laughing out loud.

As a noun open

is .

As an adjective unopenable is

that cannot be opened.

As a noun arm

is sleeve; a part of a garment that covers all or part of an arm.

As a verb nuclearize is

to arm with nuclear weapons.