沃度丁幾[youdochinki] tincture of iodine
豊沃[houyoku] fertility
沃素[youso] iodine (I)
肥沃[hiyoku] fertility
沃土[yokudo] rich soil

沃地[yokuchi] fertile land
沃野[yokuya] fertile fields or plain
沃化[youka] iodization
沃野千里[yokuyasenri] vast expansion of fertile land
沃度[youdo] iodine

沈澱[chinden] precipitation
澱粉[denpun] (food) starch
澱粉質[denpunshitsu] starchiness
澱む[yodomu] to stagnate

沈澱物[chindenbutsu] sediment
酒の澱[sakenoori] lees
馬鈴薯澱粉[bareishodenpun] potato starch