Davy, Davy Jones, Neptune, Nereid, Oceanid, Oceanus, Poseidon, Thetis, Triton, elemental, elemental spirit, fresh-water nymph, gnome, kelpie, limniad, man fish, mermaid, merman, naiad, nix, nixie, ocean nymph, salamander, sea nymph, sea-maid, sea-maiden, siren, sylph, water god, water spirit, water sprite

For further exploring for "undine" in Webster Dictionary Online

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all	search for verses that contains all of the search words.	"fish bread" will search for verses that contains fish AND bread in minimum 1 bible version
phrase	search for verses that contains all of the search phrase.	"fish bread" will search for verses that contains "fish bread" in minimum 1 bible version
at least one	search for verses that contains any of the search words.	"fish bread" will search for verses that contains fish OR bread in minumum 1 bible version
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start	search for verses that contains words that start with the search words	"fis" will search for verses that contains words start with "fis", the result will be "fish", "fishing", "fisherman", etc
similar	search for verses that contains words that similar in spelling to the search words.	"fish" will search verses that contain words which has similar spelling with fish. The result: "dish",etc
displaying	set the max displaying in one page.	"20" will set displaying max to 20 per page
range	set searching range	"All Bible", "Old Testament", "New Testament"

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