Following are all the trophonid like words, in the list below.
TROCHID
100% like trophonid
TRIPHORID
100% like trophonid
TROCHOMORPHID
99.99% like trophonid
TYLODINID
99.99% like trophonid
TRICHOTROPID
99.98% like trophonid
TRIMUSCULID
99.98% like trophonid
TONNID
99.98% like trophonid
TURBONILLID
99.97% like trophonid
MITRID
99.97% like trophonid
EPITONIID
99.96% like trophonid
RHODOPID
99.96% like trophonid
HYDATINID
99.96% like trophonid
SYRNOLID
99.95% like trophonid
STROPHOCHEILID
99.95% like trophonid
TURBINELLID
99.94% like trophonid
MOON SNAIL
99.94% like trophonid
CYMATIID
99.94% like trophonid
SERAPHSID
99.93% like trophonid
DIPLOMMATINID
99.93% like trophonid
TRITONIID
99.92% like trophonid
PHILINOGLOSSID
99.92% like trophonid
TORNID
99.92% like trophonid
STRUTHIOLARIID
99.91% like trophonid
HYDROBIID
99.91% like trophonid
COLUMBARIID
99.9% like trophonid
SIPHONARIAN
99.9% like trophonid
TROCHOIDEAN
99.9% like trophonid
HELICINID
99.89% like trophonid
MAGILID
99.89% like trophonid
ANATOMID
99.88% like trophonid
TROCHOLITID
99.88% like trophonid
SIPHONARIID
99.88% like trophonid
SCAPHANDRID
99.87% like trophonid
ACTEONID
99.87% like trophonid
HYGROMIID
99.86% like trophonid
ELONID
99.86% like trophonid
HIPPONICID
99.86% like trophonid
COLUBRARIID
99.85% like trophonid
TONNOIDEAN
99.85% like trophonid
AMPULLINID
99.84% like trophonid
CYLICHNID
99.84% like trophonid
VOLUTOMITRID
99.84% like trophonid
ALVINOCONCHID
99.83% like trophonid
SKENEOPSID
99.83% like trophonid
PROSERPINID
99.82% like trophonid
RHYTIDID
99.82% like trophonid
TURRID
99.82% like trophonid
MODULID
99.81% like trophonid
LYMNAEID
99.81% like trophonid
CONE SNAIL
99.8% like trophonid
TURRITELLID
99.8% like trophonid
HAMINOID
99.8% like trophonid
LITIOPID
99.79% like trophonid
TURBINID
99.79% like trophonid
HEDYLOPSACEAN
99.78% like trophonid
TRIGONIID
99.78% like trophonid
CYCLOPHORID
99.78% like trophonid
SYSTROPHIID
99.77% like trophonid
HORMOTOMID
99.77% like trophonid
BOTHRIEMBRYONTID
99.76% like trophonid
LOPHOSPIRID
99.76% like trophonid
SILIQUARIID
99.76% like trophonid
HELMINTHOGLYPTID
99.75% like trophonid
TRIVIID
99.75% like trophonid
HELICARIONID
99.74% like trophonid
HELMET SNAIL
99.74% like trophonid
GADINIID
99.74% like trophonid
EULIMID
99.73% like trophonid
LEPTOCHITONID
99.73% like trophonid
DIAPHANID
99.72% like trophonid
CAMPANILOID
99.72% like trophonid
MATHILDID
99.72% like trophonid
CORALLIOPHILID
99.71% like trophonid
STYLOMMATOPHORAN
99.71% like trophonid
SEASNAIL
99.7% like trophonid
GONIODORIDID
99.7% like trophonid
TRIDACNID
99.7% like trophonid
SUBULITID
99.69% like trophonid
TROCHONEMATID
99.69% like trophonid
SEA SNAIL
99.68% like trophonid
STOMATELLID
99.68% like trophonid
CERIONID
99.68% like trophonid
HYDROCENID
99.67% like trophonid
AMNICOLID
99.67% like trophonid
ODOSTOMIID
99.66% like trophonid
PHYLLIDIID
99.66% like trophonid
TELLINACEAN
99.66% like trophonid
TRITON
99.65% like trophonid
MURICID
99.65% like trophonid
HARPID
99.64% like trophonid
SIPHONALEAN
99.64% like trophonid
CIMID
99.64% like trophonid
LIMACINOID
99.63% like trophonid
VANIKORID
99.63% like trophonid
BULLINID
99.62% like trophonid
PTENOGLOSSAN
99.62% like trophonid
DIALID
99.62% like trophonid
CLAVATULID
99.61% like trophonid
APLUSTRID
99.61% like trophonid
TRUNCATELLID
99.6% like trophonid