Word

怯える

脅える、悸える
v1
vi
おびえる
to become frightened; to be frightened (of); to be scared (of)
Word

心悸亢進

心悸昂進
しんきこうしん
palpitations (of the heart)
Word

動悸

動気
どうき
palpitation (e.g. heart); pulsation; throbbing