vocable

n. 词, 词外壳
a. 可发音的

vo.ca.ble

n.（名词）
A word considered only as a sequence of sounds or letters rather than as a unit of meaning.
无意词：仅被认作为是一系列声音或字母而非有意义的单元的词
adj.（形容词）
Capable of being voiced or spoken.
发声的：能发出声音或说出的

来源：
French
法语
from Old French
源自 古法语
from Latin voc3bulum [name]
源自 拉丁语 voc3bulum [命令]
from voc3re [to call] * see wek w-
源自 voc3re [呼叫] *参见 wek w-