yīng, yìng
should
Simplified form of 應. Phonosemantic compound. 心 represents the meaning and 䧹 represents the sound.
Components
心 Meaning Simplified component
xīn
heart
䧹 Sound Simplified component
yīng
eagle
Evolution

Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Traditional script
ModernSimplified script
ModernDefinitions