Jaggery palm and Sago palm

Jaggery palm noun - Fishtail palm of India to Malay Peninsula; sap yields a brown sugar (jaggery) and trunk pith yields sago.

Sago palm and jaggery palm are semantically related. In some cases you can use "Sago palm" instead a noun phrase "Jaggery palm".

Sago palm noun - Any of various tropical Asian palm trees the trunks of which yield sago.

Jaggery palm and sago palm are semantically related. Sometimes you can replace phrase "Jaggery palm" with "Sago palm", this phrases are similar.