Verb

(oblig)

To constrain someone by force or by social, moral or legal means.

I am obliged to report to the police station every week.

{{quote-Fanny Hill, part=3 , Tho' he was some time awake before me, yet did he not offer to disturb a repose he had given me so much occasion for; but on my first stirring, which was not till past ten o'clock, I was oblig'd to endure one more trial of his manhood.}}

To do someone a service or favour (hence, originally, creating an obligation).

He obliged me by not parking his car in the drive.

*

To be indebted to someone.

I am obliged to you for your recent help.

To do a service or favour.

The singer obliged with another song.

Verb

(urg)

To press; to push; to drive; to impel; to force onward.

* Alexander Pope

through the thick deserts headlong urged his flight

To press the mind or will of; to ply with motives, arguments, persuasion, or importunity.

* Shakespeare

My brother never / Did urge me in his act; I did inquire it.

To provoke; to exasperate.

* Shakespeare

Urge not my father's anger.

To press hard upon; to follow closely.

* Alexander Pope

Heir urges heir, like wave impelling wave.

To present in an urgent manner; to insist upon.

to urge''' an argument; to '''urge the necessity of a case

(obsolete) To treat with forcible means; to take severe or violent measures with.

to urge an ore with intense heat

To press onward or forward.

To be pressing in argument; to insist; to persist.