phaen- /fēn-/ or phaeno- /fē-no- or -nō-/ same as phen- or pheno-

• sure-fire
• surefooted
• surefootedly
• surefootedness
• surefootednesses
• surely
• sureness
• surenesses
• surer
• sures
• surest
• sure thing
• sure things
• swatchbooks
• swatches
• swath
• swathe
• swathed
• swathes
• swathier
• swathiest
• swathing
• swathing-clothes
• swathling-clouts
• swaths