Sunup is a 5 letter English word. It's valid Scrabble word worth 7 points. It's valid Words with friends word worth 11 points.
You can make 29 anagrams from letters in sunup (npsuu).
1705-15, Americanism; sun + up, on the model of sundown
“Been watching your craft since sunup,” declared Uncle Enos.
From sunup to sundown the Tony Trumbullses raced and laughed.
His last meal had been breakfast before sunup of the day before.
I can ride over to Hall's and get back to my place by sunup with his team.
And to-morrow morning at sunup we begin preparations in earnest.
Befo' sunup I had to git to de Big House ter dress dem chulluns.
"I took pains to watch the hunters load their craft at sunup," said Hawk Eye.
So it was not until sunup the next day, that they were released.
When the corn all done been shucked they'd drink the likker the marsters give 'em and then frolic and dance from sundown to sunup.
With my husband at work from sunup until dark, it's often lonely here.