- jiǎㄐㄧㄚˇ
- armor; first of 10 heavenly trunks 十天干; first in order; letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc; first party (in legal contract, usually written 甲方, as opposed to second party 乙方); methyl[cedict]
- yǐㄧˇ
- bent; winding; second of 10 heavenly trunks 十天干; second in order; letter "B" or roman "II" in list "A, B, C", or "I, II, III" etc; second party (in legal contract, usually written 乙方, as opposed to first party 甲方); ethyl[cedict]