Extraone

2 clues
SPARE
Part of a baker's dozen
Similar answers:
Alextrebek
Alittlebitextra
Alittleextra
Ambidextrous
Ambidextrously
Anextradividend
Aone
Aoneand
Aoneandatwo
Aoneeggs
Aoneliner
Aoner
Aones
Arridextradry
Billmaoneski
Censusextract
Copperextractor
Dextral
Dextrorotatory
Dextrose