13 letter words ending with ls in the mammoth censored word list.

acetylphenols agrichemicals agrochemicals aminoalcohols anticlericals anticolonials antimalarials antiparallels apfelstrudels aquaceuticals arsenobenzols autochemicals bicentennials bimillennials birthcontrols brachycephals brachydactyls chlorambucils chlorobenzyls chlorospinels confessionals contrasexuals conventionals counterspells courtmartials cyclohexanols cytochemicals dentilinguals deuteranomals differentials difunctionals dithioacetals dunniewassals etonogestrels euroterminals exabecquerels extracranials extragonadals fluorobenzyls fluorouracils forestaysails glockenspiels hemorrhoidals heterodactyls heterosexuals hexobarbitals hydrocontrols hydrothermals hyperarousals hypotheticals instrumentals intellectuals interglacials interspersals interstadials interstitials invitationals isocheimenals macrominerals mangelwurzels metachemicals metamaterials methylphenols microchannels microcontrols microcrystals microminerals misappraisals misconstruals misrehearsals multichannels multicontrols multinominals nanomaterials nonessentials nonmedicinals nonnumericals nonsteroidals nonuniversals pamprodactyls paroccipitals pentadecimals phenylmethyls phosphatidyls photocontrols planetesimals plurilinguals polychemicals praziquantels preceptorials presbyterials procathedrals processionals professionals proportionals protocrystals pseudofossils pseudosexuals psychosexuals pumpernickels pyrocatechols pyrochemicals quadriennials quadrinomials quarterfinals quasicrystals quinquennials responsorials schismaticals schizodactyls secobarbitals semichemicals servocontrols sprachgefuhls steeringsails stigmasterols stilboestrols studdingsails subcelestials subfactorials subprincipals supercontrols superfrontals superhumerals supernaturals superscandals superspecials supplementals swimmingpools taraxasterols tetradecimals thiocarbonyls thiodiglycols transitionals ultraliberals ultraradicals undercontrols underfulfills whippoorwills wineglassfuls zosterophylls