18 letter Words with the Lowest Letter Frequency Scores

#WordFrequency ScoreLetters (Alpha)Unique Letter CountRanking (Len)
141 orchidocelioplasty 10,675 acdehiloprsty 13 185
142 semihydrobenzoinic 10,676 bcdehimnorsyz 13 184
143 overimpressionably 10,681 abeilmnoprsvy 13 183
144 unaccomplishedness 10,684 acdehilmnopsu 13 182
145 nonsympathetically 10,687 acehilmnopsty 13 181
146 ethnomusicological 10,695 aceghilmnostu 13 180
147 radiometallography 10,696 adeghilmoprty 13 179
148 polyribonucleotide 10,706 bcdeilnoprtuy 13 178
149 superfantastically 10,720 acefilnprstuy 13 177
150 micropalaeontology 10,760 acegilmnoprty 13 176
151 permocarboniferous 10,761 abcefimnoprsu 13 175
152 overmultiplication 10,769 aceilmnoprtuv 13 174
153 prophylactodontist 10,770 acdhilnoprsty 13 173
154 pseudocotyledonary 10,780 acdelnoprstuy 13 172
155 pharyngobranchiate 10,841 abceghinoprty 13 171
156 supercarbonization 10,853 abceinoprstuz 13 170
157 spectroheliography 10,856 aceghiloprsty 13 169
158 percrystallization 10,870 aceilnoprstyz 13 168
159 archicleistogamous 10,876 aceghilmorstu 13 167
160 nondesulfurization 10,880 adefilnorstuz 13 166