ARMAGNAC
BAGNIO
BEIGNET
BESOGNIO
BOLOGNA => BOLOGNESE
BOURGUIGNON => 'beef bourguignon'
CAMPAGNA
CARMAGNOLE
CHAMPIGNON
CHIGNON
COGNAC
ESPAGNOLE => 'sauce espagnole'
GNOCCHI
IGNARO
LAGNIAPPE
LASAGNE
LORGNETTE
MIGNON => as in 'filet mignon'
MONTAGNARD
POIGNADO
SEGNO
SEIGNIOR => etc.
SIGNEUR
SIGNOR
SOIGNE
VIGNERON
ZAMPOGNA
VIGNETTE
POIGNANT
Please let me know if you can think of any more!