The spies exchanged secret messages in the crowded market before disappearing into the alleys.

Every evening, she spies from the attic to learn what her neighbors are planning.

Modern microcontrollers often include multiple SPIs to support several peripheral devices simultaneously.

The new highway design includes an SPI to improve traffic flow at the downtown junction.

She spied the bird through the binoculars before it flew away.

Professor Spiess presented his research on medieval armor.

The Spiesses attended the family reunion in town last weekend.

If thou spiest the messenger, warn me at once.