As nouns the difference between annoy and plaguer

is that annoy is a feeling of discomfort or vexation caused by what one dislikes while plaguer is one who plagues or annoys.

As a verb annoy

is to disturb or irritate, especially by continued or repeated acts; to bother with unpleasant deeds.

As a noun tyrannicide

is the killing of a tyrant.

As an adjective tyrannicidal is

of or pertaining to tyrannicide, or the murder of a tyrant.

As a noun murder

is (label) an act of deliberate killing of another being, especially a human.

As a verb murder

is to deliberately kill (a person or persons).

As an adjective tyrannicidal is

of or pertaining to tyrannicide, or the murder of a tyrant.

As adjectives the difference between tyrant and tyrannicidal

is that tyrant is tyrannical, tyrannous; like, characteristic of, or in the manner of a tyrant while tyrannicidal is of or pertaining to tyrannicide, or the murder of a tyrant.

As a noun tyrant

is a usurper; one who gains power and rules extralegally, distinguished from kings elevated by election or succession.

As a verb tyrant

is to act like a tyrant; to be tyrannical.

As pronouns the difference between they and heorshe

is that they is (the third-person plural) a group of people, animals while heorshe is (neologism|internet).

As a determiner they

is (archaic|or|dialectal) those (used for people).

As verbs the difference between endow and endower

is that endow is to furnish with money or its equivalent, as a permanent fund for support; to make pecuniary provision for; to settle an income upon; especially, to furnish with dower; as, to endow a wife; to endow a public institution while endower is to endow.

As a noun endower is

one who endows.

As an adjective notarial

is pertaining to a notary or notaries.

As an adverb notarially is

in a notarial manner; by a notary.

As a noun notary

is a lawyer of noncontentious private civil law who drafts, takes, and records legal instruments for private parties, and provides legal advice, but does not appear in court on clients' behalf.

As an adverb notarially is

in a notarial manner; by a notary.

As conjunctions the difference between except and outcept

is that except is with the exception (that); used to introduce a clause, phrase or adverb forming an exception or qualification to something previously stated while outcept is (obsolete) except; unless.

As a verb except

is to exclude; to specify as being an exception.

As a preposition except

is with the exception of; but.

As conjunctions the difference between unless and outcept

is that unless is except on a specified condition; if not while outcept is (obsolete) except; unless.