おそれ (translations)→ chance danger potential risk
気まずさ (translations)→ constraint discomfort embarrassment
胸騒ぎ (translations)→ foreboding palpitation queasy
不安 (translations)→ afraid alarm angst anguish anxiety apprehension apprehensive concern disquiet distress doubt fear fearful misgiving nerve nervous nervousness perturbation restless scare strain terror uncertainty uncomfortable unease uneasy unrest worry
不安感 (translations)→ jitter trepidation
