1. Earthborn; produced by the earth

Encyclopedia: Terrigenous

• spelldown
• speller
• spelling
• spelling bee
• spelling checker
• spelling contest
• spelt
• spelter
• spelunk
• spelunker
• spence
• Spencer
• Spencer Tracy
• spend
• spend a penny
• spend-all
• spendable
• spender
• spending
• spending cut
• spending money
• spending spree
• spendthrift
• spendthrift trust
• Spengler