御猪口[ochoko] small cup
片口鰯[katakuchiiwashi] Japanese anchovy (Engraulis japonica)
白口[shiroguchi] white croaker (Pennahia argentata)
悪たれ口[akutareguchi] abuse
悪口雑言[akkouzougon] all kinds of malicious gossip

異口同音[ikudouon] in concert
異口同音に[ikudouonni] in one voice
ひと口[hitokuchi] mouthful
一口商い[hitokuchiakinai] an immediate definite deal
一口同音[ikkudouon] reading in unison

掻攫う[kassarau] to nab
藻掻く[mogaku] to struggle
悪足掻き[waruagaki] useless resistance
引掻く[hikkaku] to scratch
隔靴掻痒[kakkasouyou] being frustrated because something is not quite as hoped (just as one cannot scratch an itch from outside a shoe)

汗を掻く[asewokaku] to perspire
犬掻き[inukaki] dog paddle (swimming style)
掻き回す[kakimawasu] to stir up
掻き合わせる[kakiawaseru] to adjust
掻き込む[kakikomu] to carry under the arm

異説[isetsu] different opinion
一説[issetsu] one theory (opinion)
演説[enzetsu] speech
臆説[okusetsu] hypothesis
解説[kaisetsu] explanation

解説者[kaisetsusha] commentator
概説[gaisetsu] general statement
学説[gakusetsu] theory
勧説[kanzei] urging
甘い小説[amaishousetsu] sentimental novel