heartthrob (n.)

• affect
• affection
• arrhythmia
• beat
• beating
• beloved
• darling
• drumming
• emotion
• experience
• feeling
• flame
• flutter
• foreboding
• heartbeat
• honey
• impression
• love
• palpitation
• passion
• pitter-patter
• presentiment
• pulsation
• pulse
• rat-a-tat
• rataplan
• reaction
• response
• rhythm
• sensation
• sense
• sentiment
• throb
• throbbing
• turtledove
• undercurrent