Answer: pio

AnswerCrossword Clue
PIO

Devout: It.

PIO

Devout: Span.

PIO

Piety: It.

PIO
Fat: Prefix.
PIO
Godly: It.
PIODevout, in Spain
PIOFat: Prefix
PIOReligious: It.
PIOReligious, in Roma
PIOSpanish author Baroja y Nessi
PIODevout, to da Vinci