stirps /stûrps/, also stirp /stûrp/

1. (a person and his or her descendants forming) a branch of a family (esp law)
2. Pedigree
3. A category in biological classification, eg (zoology) a superfamily, family or subfamily, or (botany) a rootstock that retains characteristics in cultivation

stirpˈiculture noun

Selective breeding

• you wait
• yow
• yowe
• yowes
• yowie
• yowies
• yowl
• yowled
• yowley
• yowling
• yowlings
• yowls
• yows
• yo-yo
• yo-yoed
• yo-yoing
• yo-yos
• ypight
• yplast
• yplight
• ypsiliform
• ypsiloid
• ypsilon
• ypsilons
• yr