Words!

ID69,982
Wordcosiest       (Wiktionary)
Wprds Containing:ceiost
Words Found In:ceiosst
Length7
Word Frequency Score5,138
Letter Frequency Score: c271
Letter Frequency Score: o768
Letter Frequency Score: s628
Letter Frequency Score: i731
Letter Frequency Score: e1,202
Letter Frequency Score: s628
Letter Frequency Score: t910
Unique Letters6
Frequency Rank for Word Length (Dictionary)15,916