然り気ない[sarigenai] nonchalant
然う然う[sousou] so long
然して[soshite] and
亜爾然丁[aruzenchin] Argentina
闇然[anzen] dark

依然[izen] still
依然として[izentoshite] still
一目瞭然[ichimokuryouzen] apparent
隠然[inzen] latent power
果然[kazen] as was expected

撚る[hineru] to twist
紙撚[koyori] string made from twisted paper
撚糸[nenshi] twisted thread or yarn
撚り[hineri] twist
撚り[yori] twist

撚る[yoru] to twist (yarn)
撚り糸[yoriito] twisting (thread, etc.)
撚翅[nejirebane] strepsipteran
撚り合せる[yoriawaseru] to intertwine
糸撚鯛[itoyoridai] golden threadfin bream (Nemipterus virgatus)

化石燃料[kasekinenryou] fossil fuel
可燃[kanen] inflammable
可燃性[kanensei] combustibility
可燃物[kanenbutsu] combustibles
核燃料[kakunenryou] atomic fuel

再燃[sainen] recurrence
代燃車[dainensha] car running on substitute fuel
内燃機関[nainenkikan] internal-combustion engine
燃える[moeru] to burn
燃え移る[moeutsuru] (of fire) to spread