Following are all the topshell like words, in the list below.
TRITON
100% like topshell
ROSARY SHELL
100% like topshell
WING-SHELL
99.99% like topshell
TURBAN SHELL
99.99% like topshell
SLITSHELL
99.98% like topshell
TROCHID
99.98% like topshell
TOOTHSHELL
99.98% like topshell
TOOTH SHELL
99.97% like topshell
SLIT-SHELL
99.97% like topshell
BOAT SHELL
99.96% like topshell
SPUR-SHELL
99.96% like topshell
SNAILSHELL
99.96% like topshell
CONCH
99.95% like topshell
SHELL
99.95% like topshell
BUBBLE SHELL
99.94% like topshell
TULIP SHELL
99.94% like topshell
TROCHOIDEAN
99.94% like topshell
HARP SHELL
99.93% like topshell
PTEROPOD
99.93% like topshell
JINGLE SHELL
99.92% like topshell
GASTROPOD
99.92% like topshell
TROPHONID
99.92% like topshell
TURNIP SHELL
99.91% like topshell
TORTICONE
99.91% like topshell
STOMATELLID
99.9% like topshell
TROCHOMORPHID
99.9% like topshell
TURBINID
99.9% like topshell
TURRITELLA
99.89% like topshell
TRICHOTROPID
99.89% like topshell
NEEDLE SHELL
99.88% like topshell
TROUGH SHELL
99.88% like topshell
PORPHYRY SHELL
99.88% like topshell
LAMP SHELL
99.87% like topshell
SPINDLE
99.87% like topshell
TROCHONEMATID
99.86% like topshell
SCORPION SHELL
99.86% like topshell
OTTER SHELL
99.86% like topshell
PLEUROTOMARIID
99.85% like topshell
TUSK SHELL
99.85% like topshell
CLAMSHELL
99.84% like topshell
MONOPLACOPHORAN
99.84% like topshell
PEN SHELL
99.84% like topshell
SEA SNAIL
99.83% like topshell
TROUGH-SHELL
99.83% like topshell
CARRIER SHELL
99.82% like topshell
LAMPSHELL
99.82% like topshell
LEPETOPSID
99.82% like topshell
PTEROTRACHEID
99.81% like topshell
WAXY SCREW SHELL
99.81% like topshell
SLUG
99.8% like topshell
CHEILOTOMONAN
99.8% like topshell
MASK SHELL
99.8% like topshell
CRABSHELL
99.79% like topshell
MOLLUSCAN
99.79% like topshell
MOLLUSC
99.78% like topshell
CHAMBERED NAUTILUS
99.78% like topshell
TROCHOLITID
99.78% like topshell
COCKLESHELL
99.77% like topshell
LIMPET
99.77% like topshell
NAUTILOID
99.76% like topshell
TURBINELLID
99.76% like topshell
COCHLEA
99.76% like topshell
DATE SHELL
99.75% like topshell
HELICOCONE
99.75% like topshell
OPERCULATE
99.74% like topshell
TRUNCATELLID
99.74% like topshell
POMATIID
99.74% like topshell
ATAPHRID
99.73% like topshell
COCCULINELLID
99.73% like topshell
SPAT
99.72% like topshell
TONNID
99.72% like topshell
GASTEROPOD
99.72% like topshell
WORM-SHELL
99.71% like topshell
PYRAMIDELLID
99.71% like topshell
BULINID
99.7% like topshell
SEA SLUG
99.7% like topshell
CHROMADORID
99.7% like topshell
PSEUDOCOCCULINID
99.69% like topshell
BACTRITICONE
99.69% like topshell
PSEUDOZYGOPLEURID
99.68% like topshell
TURTLER
99.68% like topshell
SOLENID
99.68% like topshell
TURRITELLID
99.67% like topshell
UNIVALVE
99.67% like topshell
COCCULINID
99.66% like topshell
SNAIL
99.66% like topshell
SOFT-SHELL TURTLE
99.66% like topshell
CYCLOSTREMATID
99.65% like topshell
FILE SHELL
99.65% like topshell
TELLINID
99.64% like topshell
PATELLOID
99.64% like topshell
OBTUSE HORN SHELL
99.64% like topshell
SIPHONOSTOME
99.63% like topshell
GASTROPTERID
99.63% like topshell
BOBTAIL TROPHON
99.62% like topshell
PLATYCONE
99.62% like topshell
TELEOCONCH
99.62% like topshell
EAR SHELL
99.61% like topshell
COLLONIID
99.61% like topshell
PUPINID
99.6% like topshell