The word "backrushes" uses 10 letters: abcehkrssu.
backrushes is a valid word in this word list. For a definition, see the external dictionary links below.
Try a search for backrushes in these online resources (some words may not be found):
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Shorter words found within backrushes
ab ace acerb ache acre ae ah ar arb arc arch are ark ba bach back backer bah bake baker bar bare bark be beach beak bear beck bra brace brach brae brake breach break cab caber cake car carb care cark char chare chark crab crake creak each ear eh er era ha hacek hack hacker hae hake hare hark he hear heck her herb ka kab kae kbar kea kebar kerb race rack rah rake re reach reb rec reck rehab rhea