hypernym 上义词、广义词
       
Noun
1. a word that is more generic than a given word
(synonym) superordinate, superordinate word
(hypernym) word

for example,colour is a hypernym of red.

hyponym   下义词、狭义词
     
Noun
1. a word that is more specific than a given word
(synonym) subordinate, subordinate word
(hypernym) word

for example,spoon（匙、调羹） is a hyponym of cutlery（刀具、餐具）.