凪ぐ[nagu] to become calm
夜凪[yonagi] evening calm
神凪[kannagi] medium
朝凪[asanagi] morning calm (over the ocean)
夕凪[yuunagi] evening calm

逆凪[sakanagi] backlash (after use of 'magic')
水凪鳥[mizunagidori] petrel (esp. petrels of family Procellariidae)
大水凪鳥[oomizunagidori] streaked shearwater (species of seabird, Calonectris leucomelas)
初凪[hatsunagi] first lull of the year

悪水[akusui] undrinkable water
井戸水[idomizu] well water
一衣帯水[ichiitaisui] (being separated only by a) narrow strip of water
一水[issui] current (of water)
溢水[issui] inundation

飲水量[insuiryou] amount of drinking
飲料水[inryousui] drinking water
烏の行水[karasunogyouzui] quick bath
雲水[unsui] itinerant priest
塩化水素[enkasuiso] hydrogen chloride

鳥竜茶[uuroncha] oolong tea
愛鳥[aichou] pet bird
鳥渡[choto] just a minute
一石二鳥[issekinichou] killing two birds with one stone
益鳥[ekichou] beneficial bird

黄鳥[kouchou] Japanese bush warbler (Cettia diphone)
伽藍鳥[garanchou] pelican
火食鳥[hikuidori] cassowary (Casuarius spp.)
花鳥[kachou] flowers and birds
花鳥風月[kachoufuugetsu] beauties of nature