pneumococcus/nyoohmohʹkokəs/ noun (pl pneumococci /-ʹkok(s)ie/)

• self-satisfied
• self-sealing
• self-seeded
• self-seeking
• self-service
• self-serving
• self-sow
• self-starter
• self-styled
• self-sufficient
• self-sufficing
• self-supporting
• self-sustaining
• self-tapping screw
• self-taught
• self-tender
• self-timer
• self-will
• self-winding
• self-worth
• Seljuk
• sell
• sell-by date
• sell down the river
• seller