ling vs ling ko

ling and ling ko both are nouns.

Word	Noun	Adjective	Verb	Adverb
ling	Yes	No	No	No
ling ko	Yes	No	No	No

As nouns, ling and ling ko are synonyms defined as:

ling and ling ko: water chestnut whose spiny fruit has two rather than 4 prongs

Other synonyms of ling include Trapa bicornis.

ling (noun)	ling ko (noun)
elongated marine food fish of Greenland and northern Europe; often salted and dried	water chestnut whose spiny fruit has two rather than 4 prongs
American hakes
elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
common Old World heath represented by many varieties; low evergreen grown widely in the Northern Hemisphere
water chestnut whose spiny fruit has two rather than 4 prongs