chervonets /chər-vōˈnets/

A Russian gold coin worth ten roubles

• psi particle
• psi particles
• psi phenomena
• psis
• PSIS
• psittacine
• psittacosaur
• psittacosaurus
• psittacoses
• psittacosis
• Psittacus
• PSL
• PSNI
• psoas
• psoases
• psocid
• Psocidae
• psocids
• Psocoptera
• psora
• psoralen
• psoralens
• psoras
• psoriases
• psoriasis