Is “Cockup” a Scrabble word?
Yes
COCKUP
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Cockup
noun
1.(mildly) A mistake.
2.A superior letter. A lower-case letter placed above the baseline and made smaller than ordinary script; traditionally used in abbreviations.
3.A roll or twist of hair worn at the nape of the neck; a bun.
Synonyms: bun, chignon, balls-up, foul-up, fuck-up, screw-up