词根词缀：geno-, gen-, genit-, gener-, -gen

【来源及含义】Greek > Latin: race, kind; line of descent; origin, creation; pertaining to sexual relations, reproduction, or heredity; and more recently, a gene or genes

【同源单词】abiogenesis, abiogenetic, abiogenetically, abiogenous, acrogen, acrometagenesis

词根词缀：kedo-, ked-, cedo-, cedno-

【来源及含义】Greek: worry, anxiety, care, grief, trouble, to be concerned for; protector, guardian, most worthy of care

【同源单词】kedocratic, kedogenic, kedogenous, kedophysic, kedophysis, kedotherapy