expression / godan ~す verb:

• to dislocate one's back ➜ 腰抜かす
• to be unable to stand up due to fear or surprise

godan ~す verb:

• to dislocate one's back ➜ 腰を抜かす
• to be unable to stand up due to fear or surprise; to lose one's legs

ichidan verb / intransitive verb:

• to be caught; to be captured; to be taken prisoner; to be arrested; to be apprehended
• to be seized with (fear, etc.); to be a slave to; to stick to; to adhere to; to be swayed by - usually written using kana alone

~と adverb / adverb / ~する noun:

• (feeling a chill or shiver) suddenly; (feeling) chilly; chillily - usu. ひやりとする
• with a sudden sense of dread (or fear, etc.); (being) suddenly (afraid, frightened, etc.); suddenly (breaking out in a cold sweat); frighteningly - usu. ひやりとする

noun:

• strength; intensity

~の noun:

• strong (e.g. glasses); powerful (e.g. lens); intense (e.g. fear); extreme

expression / godan ~る verb / intransitive verb:

• to become blue; to turn green
• to turn pale; to blanch (with fear)

~たる adjective:

• brilliant; glorious; shining - archaism
• beautiful and thriving - archaism
• piled high; large - archaism
• indecisive with fear - archaism - obscure term