口辺単純疱疹[kouhentanjunhoushin] cold sore
純愛[junai] pure love
純益[juneki] clear profit
純化[junka] purification
純金[junkin] pure gold

純潔[junketsu] purity
純血[junketsu] pure-bred (usu. animal)
純情[junjou] pure heart
純真[junshin] purity
純粋[junsui] pure

夏至[geshi] summer solstice
夏至線[geshisen] Tropic of Cancer
夏至点[geshiten] summer solstitial point
至って[itatte] very much
至らない[itaranai] imperfect

至る[itaru] to arrive at (e.g. a decision)
至る処[itarutokoro] everywhere
至れりつくせり[itareritsukuseri] very polite
至急[shikyuu] urgent
至急便[shikyuubin] express mail