Difference between Annoying and Pestiferous

ANNOYING vs PESTIFEROUS: NOUN

Likely to spread and cause an epidemic disease
Tending to corrupt or pervert
Contaminated with infecting organisms
Causing irritation or annoyance
Producing or breeding infectious disease.
Infected with or contaminated by an epidemic disease.
Morally evil or deadly; pernicious.
Bothersome; annoying.
Pest-bearing; pestilential; noxious to health; malignant; infectious; contagious.
Noxious to peace, to morals, or to society; vicious; hurtful; destructive.
Containing organisms that cause contagious diseases
Annoying, vexatious

Noxious in any manner; mischievous; malignant; annoying.
Plague-bearing; pestilential; infectious; contagious: as, pestiferous particles.

Vexation, Irritation, Vexatious, Vexing, Nettlesome, Troubling, Pestering, Pestiferous, Teasing, Galling, Disagreeable, Pesky, Annoyance, Bothersome, Irritating

Pestilential, Pestilent, Plaguy, Plaguey, Vexing, Galling, Teasing, Nettlesome, Vexatious, Disagreeable, Pestering, Bothersome, Irritating, Annoying, Pesky

Plaguy, Plaguey, Irritation, Vexatious, Vexing, Nettlesome, Troubling, Pestering, Pestiferous, Teasing, Galling, Disagreeable, Pesky, Bothersome, Irritating

Pestilential, Pestilent, Plaguy, Plaguey, Vexing, Galling, Teasing, Nettlesome, Vexatious, Disagreeable, Pestering, Bothersome, Irritating, Annoying, Pesky

Hack To Turn Off That Annoying Screenshot Notification.
As they have refused which is very annoying.
Good, but no undo is a bit annoying.
Although, the young guys can be little annoying.
It would also be free of annoying advertising.
If the texts are annoying, just block those.
Agree, the new ACR UI is really annoying.
This behavior, though annoying, is not a bug.
She is so annoying that Seinfeld actually had an episode about how annoying she could be.
Patton Oswald, who already is annoying, playing the most annoying character in the series.

Pestiferous of these have shown promise in the TRENTAL was negative, but Lloyd's study in TRENTAL was positive.
Instance poisonous and pestiferous diseases, fretting and festering sores, fires, breaches of water, and enemies entering within the walls of a city.
In which the soueraigne truth of Catholike doctrine, is faythfully deliuered: against the pestiferous writings of all English Sectaryes.
So pestiferous is this poisonous tree, that the earth around it for some distance produces neither grass nor vegetable life of any kind.
He had hitched his wagon to a star and been landed in a pestiferous marsh.