Lord vs. Sir

Difference Between Lord and Sir
Lordnoun
(obsolete) The master of the servants of a household; (historical) the master of a feudal manor
Sirnoun
A man of a higher rank or position.
Lordnoun
(archaic) The male head of a household, a father or husband.
Sirnoun
A respectful term of address to a man of higher rank or position, particularly:
Lordnoun
(archaic) The owner of a house, piece of land, or other possession
Sirnoun
to a knight or other low member of the peerage.
Just be careful. He gets whingy now if you don't address him as Sir John.Lordnoun
One possessing similar mastery over others; (historical) any feudal superior generally; any nobleman or aristocrat; any chief, prince, or sovereign ruler; in Scotland, a male member of the lowest rank of nobility (the equivalent rank in England is baron)
Sirnoun
to a superior military officer.
Sir, yes sir.Lordnoun
(historical) A feudal tenant holding his manor directly of the king
Sirnoun
to a teacher.
Here's my report, sir.Lordnoun
A peer of the realm, particularly a temporal one
Sirnoun
A respectful term of address to any male, especially if his name or proper title is unknown.
Excuse me, sir, do you know the way to the art museum?Lordnoun
A baron or lesser nobleman, as opposed to greater ones
Sirnoun
(colloquial) Used as an intensifier after yes or no.
Sir, yes sir.Lordnoun
One possessing similar mastery in figurative senses (esp. as lord of ~)
Sirverb
To address (someone) using "sir".
Sir, yes, sir!Don't you sir me, private! I work for a living!
Lordnoun
The magnates of a trade or profession
Sirnoun
term of address for a man
Lordnoun
(astrology) The heavenly body considered to possess a dominant influence over an event, time, etc.
Sirnoun
a title used before the name of knight or baronet
Lordnoun
A hunchback.
Lordnoun
Sixpence.
Lordverb
Domineer or act like a lord.
Lordverb
(transitive) To invest with the dignity, power, and privileges of a lord; to grant the title of lord.
Lordnoun
terms referring to the Judeo-Christian God
Lordnoun
a person who has general authority over others
Lordnoun
a titled peer of the realm
Lordverb
make a lord of someone