Difference between Surprising and Unusual

SURPRISING vs UNUSUAL: NOUN

Not usual; uncommon; rare
Unlike what is expected; differing in some way from the norm.
Not usual, common, or ordinary.
Being definitely out of the ordinary and unexpected; slightly odd or even a bit weird
Not usual or common or ordinary
Not commonly encountered
More than usual.

Exciting surprise; extraordinary; astonishing; of a nature to call out wonder or admiration: as, surprising bravery; a surprising escape.
Synonyms Strange, Curious, etc. See wonderful.

Not usual; not frequent; not common; rare; strange; as, an unusual season; a person of unusual erudition.
Synonyms Uncommon, unwonted, singular, remarkable, odd.
Slightly odd or even a bit weird

Astounding, Ironic, Remarkable, Unusual, Perplexing, Troubling, Disconcerting, Shocking, Puzzling, Surprisal, Amazing, Stunning, Unexpected, Astonishing, Startling

Eery, Singular, Eerie, Different, Freaky, Curious, Exotic, Unique, Unaccustomed, Weird, Extraordinary, Odd, Peculiar, Strange, Uncommon

Strange, Astounding, Ironic, Remarkable, Unusual, Perplexing, Troubling, Disconcerting, Shocking, Puzzling, Amazing, Stunning, Unexpected, Astonishing, Startling

Eery, Singular, Eerie, Different, Freaky, Curious, Exotic, Unique, Unaccustomed, Weird, Extraordinary, Odd, Peculiar, Strange, Uncommon

Try combining common first names with unusual last names, or unusual first names with common last names.
It appears that a pig in prison was not unusual, nor was it unusual for that pig to endure quite a lengthy stay.
They meet in the most unusual of circumstances and their relationships grows in the most unusual of ways.
The Eighth Amendment prohibits cruel and unusual punishments, and torture would surely meet the standard of cruel and unusual.
Suspicious orders include, but are not limited to, orders of unusual size, orders deviating substantially from a normal pattern, and orders of unusual frequency.
The unusual ruling follows a bench trial a few weeks ago for an unusual case brought by a prospective buyer in small claims court.
Extraordinary or exceptional events: such as unpredictable or unusual events requiring urgent, impromptu and unusual workforce.
Reversal of more than a few positives per year for most companies is unusual, though some industries and locations have unusual circumstances.
Routinely monitors financial exception reports for unusual activities, transactions, and investigates anomalies or unusual transactions.
Other unusual acts or unusual behavior that may suggest drug or alcohol use.