eider needs no unscrambling at all — the five-letter word is already the strongest play its own letters allow, banking 6 points in Scrabble as it stands. In all, 23 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
eider is the highest-scoring word from eider, worth 6 points in Scrabble. The top 10 of 23 words are shown here, with the full list organized by length below.
Only one five-letter word uses the letters in eider — and it is eider itself. No unscrambling is needed: the word is already playable as written, worth 6 points in Scrabble.
26 six-letter words can be made using all the letters in eider plus one additional letter.
Swap a single tile in eider and you get a different five-letter rack with its own word list. None of these appear in the results above — they share 4 of the 5 letters, not all of them.
eider is in the NWL, the official Scrabble word list for North America, and in the Words With Friends dictionary, so it's playable exactly as it stands and needs no unscrambling.
Both totals match, because every tile in eider carries the same value on a Scrabble board and on a Words With Friends board.
Dictionaries record one sense for eider. Scrabble and Words With Friends score tiles and not meanings, so every sense below is worth the same 6 points on a Scrabble board:
eider is the only five-letter word the same letters produce. No arrangement of the same tiles scores higher in Scrabble, so playing eider unchanged also takes the maximum points these letters offer.
The highest-scoring play from these letters is eider, worth 6 points in Scrabble, and no other word from eider earns more points in Scrabble. Words With Friends prices the same letters differently, so the top of the list changes on a Words With Friends board. Both scores count tile values only and exclude premium squares.
The letters in eider produce 23 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 1 five-letter word, 9 four-letter words, 8 three-letter words and 5 two-letter words.