sectionals is a valid word in this word list. For a definition, see the external dictionary links below.
The word "sectionals" uses 10 letters: A C E I L N O S S T.
Try a search for sectionals in these online resources (some words may not be found):
Wiktionary - OneLook Dictionaries - Merriam-Webster - Google Search
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All words formed from sectionals by changing one letter
Browse words starting with sectionals by next letter