ない交ぜにする[naimazenisuru] to blend (e.g. truth and lies)
データ交換[deetakoukan] data exchange
メール交換[meerukoukan] exchange of letters
リーダー交代[riidaakoutai] leadership change
意見交換[ikenkoukan] exchange of ideas

一方交通[ippoukoutsuu] one-way traffic
羽交絞め[hagaijime] pinioning
仮名交じり[kanamajiri] mixed writing (characters and kana)
仮名交じり文[kanamajiribun] mixed writing (characters and kana)
賀詞交換[gashikoukan] New Year greetings (parties)

玉石混淆[gyokusekikonkou] mixture of wheat and chaff
渾淆[konkou] mixture
虚実混淆[kyojitsukonkou] mishmash of truth and untruth

神仏混淆[shinbutsukonkou] mixture (synthesis) of Buddhism and Shintoism
雅俗混淆[gazokukonkou] mixture of both culture and vulgarism
和漢混淆文[wakankonkoubun] mixed writing of literary Japanese and Chinese

混凝土[konkuriito] concrete
雨混じりの雪[amemajirinoyuki] snow mingled with rain
玉石混交[gyokusekikonkou] mixture of wheat and chaff
混合う[komiau] to be crowded
混ぜる[mazeru] to mix

混ぜ物[mazemono] mixture
混血[konketsu] mixed race
混血の人[konketsunohito] mixed race person
混淆[konkou] mixture
混合[kongou] mixing

御手玉[otedama] beanbag
やり玉[yaridama] make an example of
シャボン玉[shabondama] soap bubble
悪玉[akudama] bad character
あめ玉[amedama] candy

一円玉[ichiendama] one-yen coin
烏羽玉[ubatama] jet black
黄碧玉[kouhekigyoku] yellow jasper
火の玉[hinotama] falling star
火玉[hidama] falling star

圧し石[oshiishi] stone weight
一石[isseki] one game (of go)
一石二鳥[issekinichou] killing two birds with one stone
英国石油[eikokusekiyu] British Petroleum
下石[shitaishi] nether millstone

化粧石鹸[keshousekken] toilet soap
化石[kaseki] fossil
化石学[kasekigaku] paleontology
化石層[kasekisou] fossil bed
化石燃料[kasekinenryou] fossil fuel