するが良い[surugaii] had better ...
どうしたら良い[doushitaraii] what's the best thing to do?
愛想の良い[aisonoii] affable
運良く[unyoku] luckily
温良[onryou] gentle

佳良[karyou] good
改良[kairyou] improvement
改良点[kairyouten] point(s) for improvement
格好の良い[kakkounoii] attractive
感度良好[kandoryoukou] loud and clear

データの先頭[deetanosentou] beginning of data
一頭[ittou] one large animal (horses, cattle, etc.)
一頭立て[ittoudate] one-horse (carriage)
咽頭[intou] pharynx
駅頭[ekitou] station

音頭[ondo] leading a group of people
会頭[kaitou] society president
街頭[gaitou] in the street
核弾頭[kakudantou] nuclear warhead
巻頭[kantou] opening page of book