protease/ʹprotiayz, -ays/ noun

• spike
• spiked
• spikelet
• spikenard
• spike somebody's guns
• spiky
• spile
• spill
• spillikin
• spill over
• spillover
• spill the beans
• spillway
• spilt
• spin
• spina bifida
• spinach
• spinach beet
• spinal
• spinal canal
• spinal column
• spinal cord
• spinal tap
• spin bowling
• spindle