Washingtonia /wosh-ing-tōˈni-ə/

1. A genus of ornamental fan palms of California and Mexico
2. (also without cap) used as a name for the sequoia

• spirochaetoses
• spirochaetosis
• spirogram
• spirograms
• spirograph
• spirographies
• spirographs
• spirography
• spirogyra
• spirogyras
• spiroid
• spirometer
• spirometers
• spirometric
• spirometries
• spirometry
• spironolactone
• spironolactones
• spirophore
• spirophores
• spirt
• spirted
• spirting
• spirtle
• spirts