cognate

a. 同族的、同語系的、同詞源的、母族的、同性質的、同類的、同種的

n. 親族、同語系的語言、同詞源的詞、同性質的東西、同源物

同語族的

學術名詞

同族的：機械工程、機構與機器原理
同源的：海洋地質學、地質學

英文釋義

one related by blood or origin; especially on sharing an ancestor with another
a word is cognate with another if both derive from the same word in an ancestral language
related in nature
having the same ancestral language