HSK10+
yī
number one
Seal script
Clerical script
Regular script
壹
number one; one (banker's anti-fraud numeral)
Sound component in 3 characters (0 verified)
懿 噎 殪
Academia Sinica
Make Me a Hanzi
Unicode
Baxter-Sagart
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing