安危[anki] fate
危うい[ayaui] dangerous
危うく[ayauku] barely
危ない[abunai] dangerous
危ながる[abunagaru] to be afraid of

危なっかしい[abunakkashii] dangerous
危ぶむ[ayabumu] to fear
危める[ayameru] to wound
危絵[abunae] suggestive or indecent picture
危害[kigai] injury

斯う[kou] in this way (used for something or someone close to the speaker, including the speaker himself, or for the opinions of the speaker)
斯う言う[kouiu] such
越幾斯[ekisu] extract (esp. of food, fruit, etc.)
瓦斯[gasu] gas
窒扶斯[chifusu] typhoid fever

斯くて[kakute] thus
螽斯[kirigirisu] Japanese katydid (Gampsocleis buergeri)
斯の[kono] this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)
愛斯蘭[aisurando] Iceland
然う斯う[soukou] this and that