List of 13-letter words containing IF

ABORTIFACIENT ACETABULIFORM ACETIFICATION ACIDIFICATION ADIPOCERIFORM AFTERLIFETIME ALODIFICATION ALPHABETIFORM ALUMINIFEROUS ALVEOLARIFORM AMBULACRIFORM AMELIFICATION AMMOCOETIFORM AMPHIPODIFORM AMPLIFICATION AMPLIFICATIVE AMPLIFICATORY ANGLIFICATION ANTENNIFEROUS ANTHERIFEROUS ANTIFERTILITY ANTIFEUDALISM ANTIFEUDALIST ANTIFLATULENT ANTIPACIFISTS ANTISOPORIFIC ANTISUDORIFIC APOPLECTIFORM AQUIFOLIACEAE ARGENTIFEROUS ARGILLIFEROUS ARTIFACTUALLY ARTIFICERSHIP ARTIFICIALISM ARTIFICIALITY ARTIFICIALIZE ASPERIFOLIATE ASPERIFOLIOUS AUTODIFFUSION BALSAMIFEROUS BEATIFICATION BEAUTIFULNESS BENZOTRIFURAN BIOSCIENTIFIC BLENNIIFORMES BOUNTIFULNESS BRANCHIFEROUS BRUTIFICATION CALAMIFERIOUS CALCARIFEROUS CALCIFICATION CALORIFACIENT CALORIFICALLY CALYCIFLORATE CALYCIFLOROUS CAMPANILIFORM CAPITELLIFORM CAPRIFICATION CAPSULIFEROUS CARBONIFEROUS CARNIFICATION CATALEPTIFORM CAULDRIFENESS CELLULIFEROUS CENTRIFUGALLY CENTRIFUGENCE CENTRISCIFORM CEREBRIFORMLY CERTIFICATING CERTIFICATION CERTIFICATIVE CERTIFICATORY CHALAZIFEROUS CHARADRIIFORM CHIFFONNIERES CHYLIFICATION CHYLIFICATORY CHYMIFICATION CICONIIFORMES CIRCUMPACIFIC CLARIFICATION CLASSIFICALLY CLASSIFICATOR COALIFICATION COBALTIFEROUS COCCULIFEROUS COCHLEARIFORM CODIFIABILITY CODIFICATIONS COENOSPECIFIC COLUBRIFORMES COLUBRIFORMIA COLUMBIFEROUS COLUMBIFORMES COLUMELLIFORM COLUMNIFEROUS CONIDIIFEROUS CONIFEROPHYTE CONSIGNIFYING CORACIIFORMES CORALLIFEROUS CORNIFICATION COROLLIFEROUS COROLLIFLORAL CORTICIFEROUS CORYMBIFEROUS CRESCENTIFORM CRETIFICATION CRIBRIFORMITY CRYSTALLIFORM CUBOCUNEIFORM CYPSELIFORMES DAMNIFICATION DANDIFICATION DECLASSIFYING DEHUMIDIFIERS DEHUMIDIFYING DELIRIFACIENT DEMIFLOUNCING DENITRIFICANT DENSIFICATION DENTIFICATION DESPECIFICATE DEVITRIFIABLE DIATOMIFEROUS DIFFARREATION DIFFEOMORPHIC DIFFERENTIALS DIFFERENTIANT DIFFERENTIATE DIFFERENTNESS DIFFICILENESS DIFFICILITATE DIFFICULTNESS DIFFIDENTNESS DIFFRACTIONAL DIFFRACTIVELY DIFFUSIBILITY DIFFUSIOMETER DIFFUSIVENESS DIGNIFICATION DIGNIFIEDNESS DISQUALIFYING DISUNIFORMITY DIVERSIFIABLE DRIFTLESSNESS DULCIFICATION DULLIFICATION DUPLIFICATION ECTOCUNEIFORM ELECTRIFEROUS ELECTRIFIABLE ENTOCUNEIFORM EPIDOTIFEROUS EQUIDIFFERENT EXCARNIFICATE EXEMPLIFIABLE FALCONIFORMES FALSIFICATION FESTSCHRIFTEN FIRNIFICATION FLORIFEROUSLY FLORIFICATION FOLIOLIFEROUS FORAMINIFERAL FORAMINIFERAN FORESPECIFIED FORTIFICATION FOSSILIFEROUS FRINGILLIFORM FUSSIFICATION GALLIFICATION GARNETIFEROUS GEMINIFLOROUS GEMMIFICATION GEMMULIFEROUS GLACIFICATION GLOBULIFEROUS GLORIFICATION GOBIESOCIFORM GOSSANIFEROUS GRAMINIFEROUS GRANITIFEROUS GRANULIFEROUS GRATIFICATION GREGARINIFORM HONORIFICALLY HORNIFICATION HORRIFICATION HOUSEWIFESHIP HUMANIFORMIAN HYPERDEIFYING ICHTHYOSIFORM IMPROLIFICATE INDIFFERENTLY INFRASPECIFIC INJUSTIFIABLE INSECTIFEROUS INSIGNIFICANT INTERDIFFUSED