词根词缀：pali-; palim-, palin-

【来源及含义】Greek > Latin: recurrence, repetitious; back, backward, again; returning, repeating

【同源单词】palicinesia, paligraphia, palikinesia, palilalia, palilexia, palilogia

词根词缀：silico-, silic-

【来源及含义】Latin: flint, quartz, sand; a crystalline compound [SiO2]

【相关词根词缀】Other related "sand" units: amatho-; ammo-; areni-; thino-.

【同源单词】pneumonoultramicroscopicsilicovolcanoconiosis, silex, silica, silicate, silicatosis, siliceous