is a specific kind of: palm, palm tree.

is a broader term that covers: palmetto | Borassus flabellifer, longar palm, lontar, palmyra, palmyra palm, toddy palm, wine palm | carnauba, carnauba palm, Copernicia cerifera, Copernicia prunifera, wax palm | caranda, caranda palm, caranday, Copernicia alba, Copernicia australis, wax palm | Corypha gebanga, Corypha utan, gebang palm | latanier, latanier palm | Corypha umbraculifera, talipot, talipot palm | saw palmetto, scrub palmetto, Serenoa repens | broom palm, silver thatch, thatch palm, thatch tree, Thrinax parviflora | key palm, silver thatch, silvertop palmetto, Thrinax keyensis, Thrinax microcarpa, Thrinax morrisii.