Caltrop and Ling ko

Caltrop noun - Tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed.

Ling ko and caltrop are semantically related. In some cases you can replace phrase "Ling ko" with "Caltrop", this terms are similar.

Ling ko noun - Water chestnut whose spiny fruit has two rather than 4 prongs.

Caltrop and ling ko are semantically related. You can use "Caltrop" instead a noun phrase "Ling ko".