Saṃvega and pasāda are both sutta terms. In fact they even have suttas named after them:
Saṃvega Sutta, SN46.57 — “A Great Thrill”. 
Aggappasāda Sutta, AN4.34 — “Confidence”
Aggappasāda Sutta, Iti90 — “Foremost Faith”
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