Following are all the peristomium like words, in the list below.
PERISTOME
100% like peristomium
PROSTOMIUM
100% like peristomium
PERISOMA
100% like peristomium
ENDOSTOME
100% like peristomium
EPISTOMA
100% like peristomium
PERITREME
100% like peristomium
PSALTERIUM
100% like peristomium
EPISTOME
100% like peristomium
PROTOSTOMIAN
100% like peristomium
OMASUS
100% like peristomium
PROTOSTOMA
100% like peristomium
ROSTEL
100% like peristomium
PNEUMOSTOME
100% like peristomium
SCUTELLA
100% like peristomium
STOMA
100% like peristomium
PROTHALLUS
100% like peristomium
PROSTONIUM
100% like peristomium
METASTOMIUM
100% like peristomium
PERIOECIAN
100% like peristomium
RHYNCHOSTOME
100% like peristomium
VESTIBULUM
100% like peristomium
SPIRACULUM
100% like peristomium
SIPHONOSTOME
100% like peristomium
STOMODAEUM
100% like peristomium
ACTINOSTOME
100% like peristomium
STOMATODAEUM
100% like peristomium
STOMATODE
100% like peristomium
CHEILOSTOM
100% like peristomium
PSEUDOSTOME
100% like peristomium
METASTEGOSTOM
100% like peristomium
PROSTEGOSTOM
100% like peristomium
RHIZOSTOME
100% like peristomium
PLAGIOSTOME
100% like peristomium
MEGASTOME
100% like peristomium
PERIOSTRACUM
100% like peristomium
ENDOPERIDIUM
100% like peristomium
THOLEPIN
100% like peristomium
GASTROPORE
100% like peristomium
PROCTODEUM
100% like peristomium
PROSOPYLE
100% like peristomium
MESOSTEGOSTOM
100% like peristomium
DORSOATRIUM
100% like peristomium
OMMATOPHORE
100% like peristomium
OSSARIUM
100% like peristomium
CHILOSTOME
100% like peristomium
ENTOSTYLE
100% like peristomium
PROCTODAEUM
100% like peristomium
METAPODIUM
100% like peristomium
RHYNCHODAEUM
100% like peristomium
PERIPROCT
100% like peristomium
LEPTOME
100% like peristomium
TELOSTEGOSTOM
100% like peristomium
STOMODæUM
100% like peristomium
COELOMOSTOME
100% like peristomium
OSTIUM
100% like peristomium
ENTOSTERNUM
100% like peristomium
ACANTHOPORE
100% like peristomium
EXOPERIDIUM
100% like peristomium
TOMIUM
100% like peristomium
HOLOSTOME
100% like peristomium
DEUTEROSTOMIAN
100% like peristomium
ENTEROLOPH
100% like peristomium
SPONGELET
100% like peristomium
PROTEOSTOME
100% like peristomium
DEUTEROSTOME
100% like peristomium
PENTASTOME
100% like peristomium
DACTYLOTOME
100% like peristomium
PLAGIOSTOMY
100% like peristomium
SNAILSHELL
100% like peristomium
PARAPHRAGMA
100% like peristomium
STOMODEUM
100% like peristomium
PEREION
100% like peristomium
GASTROSTYLE
100% like peristomium
GONOBLASTIDIUM
100% like peristomium
MEROSTOME
100% like peristomium
APODEME
100% like peristomium
STOMATELLID
100% like peristomium
BEARD
100% like peristomium
SARCOTHECA
100% like peristomium
CHONDROSTOME
100% like peristomium
PERIDERM
100% like peristomium
ENDOSTOMA
100% like peristomium
PALINTROPE
100% like peristomium
MOLLUSCAN
100% like peristomium
MONOSTOME
100% like peristomium
AMPHISTOME
100% like peristomium
METACOELOM
100% like peristomium
HYPOSTOME
100% like peristomium
POGONOPHORE
100% like peristomium
PLEOMERE
100% like peristomium
POROCALYX
100% like peristomium
PYLORIC CAECUM
100% like peristomium
STOMATOPOD
100% like peristomium
ECTOCONE
100% like peristomium
BEZOAR
100% like peristomium
TOOTHPLATE
100% like peristomium
METASTOME
100% like peristomium
PROTOSTOME
100% like peristomium
SYNHYMENIUM
100% like peristomium
PROTOSOME
100% like peristomium