9-Letter Word Game

extenuate 

tentative 

testicles , of course 

obfuscate 

oops

befriends

fireflies

softeners

footpaths

arthropod

Portsmith   (a suburb of Cairns, Queensland, Australia

mothering

thanks, so far so good.....

threshold

horseshoe

phosphors

A phosphor is a substance that exhibits the phenomenon of phosphorescence (sustained glowing after exposure to energized particles such as electrons or ultraviolet photons). (Wiki)