危惧 (translations)→ afraid concern horror misgiving reservation
疑い (translations)→ doubt recognition suspicious
疑念 (translations)→ confusion notion sus
疑問 (translations)→ interrogatory mystery problem question warning
思いつき (translations)→ brainwave hit idea impulse thing
思惑 (translations)→ intent motive perspective plan speculation
推理 (translations)→ arithmetic assertion calculate conjecture guess hypothesis inference theory
不審 (translations)→ bewilderment disquiet expression perplexity puzzled
