As a proper noun william

is popular since the norman conquest.

As a noun bob is

broad bean, horse bean.

As a noun cumberer

is someone or something that cumbers.

As an adjective ignoble is

not noble; plebeian; common.

As nouns the difference between counsel and stern

is that counsel is the exchange of opinions and advice; consultation while stern is the rear part or after end of a ship or vessel.

As a verb counsel

is to give advice, especially professional advice.

As an adjective stern is

having a hardness and severity of nature or manner.

As a noun pilothouse

is (nautical) a wheelhouse.

As adjectives the difference between virile and slothful

is that virile is being manly; having characteristics associated with being male, such as strength; exhibiting masculine traits to an exaggerated degree such as strength, forcefulness or vigor while slothful is lazy; inactive; sluggish; indolent; idle; tending to sloth.

As nouns the difference between cumberer and counsel

is that cumberer is someone or something that cumbers while counsel is the exchange of opinions and advice; consultation.

As a verb counsel is

to give advice, especially professional advice.

As nouns the difference between prospection and estimation

is that prospection is the action of looking forward into the future formed by analogy with retrospection not in common use, but there is some modern use and the oed gives citation back to the 19th and 17th centuries while estimation is the process of making an estimate.

As nouns the difference between fact and certitude

is that fact is action; the realm of action while certitude is sureness, certainty.

As an interjection fact

is used before making a statement to introduce it as a trustworthy one.

As an initialism FACT

is federation Against Copyright Theft.

As adjectives the difference between ignoble and lavish

is that ignoble is not noble; plebeian; common while lavish is expending or bestowing profusely; profuse; prodigal.

As a verb lavish is

to expend or bestow with profusion; to use with prodigality; to squander; as, to lavish money or praise.

As a noun idleness

is the state of being idle; inactivity.

As an adjective slothful is

lazy; inactive; sluggish; indolent; idle; tending to sloth.