Following are all the holothure like words, in the list below.
HOLOTHURID
100% like holothure
HOLOTHUROID
100% like holothure
HOLOTHURIAN
100% like holothure
HOLOTHURIID
100% like holothure
HOLOTHURIOID
100% like holothure
HOLOSTOME
100% like holothure
HOLOCEPHALAN
100% like holothure
HOLOTHUROIDEAN
100% like holothure
HOLOSTEAN
100% like holothure
LOPHOTROCHOZOAN
100% like holothure
HOLOPEID
100% like holothure
ARTHROPODAN
100% like holothure
HOLOZOAN
100% like holothure
HYDROZOON
100% like holothure
ZOANTHARIAN
100% like holothure
SIPHONOPHORAN
100% like holothure
HORMATHIID
100% like holothure
HOLOCENTRID
100% like holothure
HOLOSTEIAN
100% like holothure
EUARTHROPOD
100% like holothure
LORICIFERAN
100% like holothure
TUBULARIAN
100% like holothure
HOLOPTYCHIID
100% like holothure
HELOPHORID
100% like holothure
HOMALODOTHERIID
100% like holothure
CIRROTEUTHID
100% like holothure
STETHACANTHID
100% like holothure
LOPHOPHORATE
100% like holothure
THYLACOCEPHALAN
100% like holothure
UROTHOID
100% like holothure
MYRIOTROCHID
100% like holothure
PHORONID
100% like holothure
ZATHERIAN
100% like holothure
JELLY
100% like holothure
ORTHONECTID
100% like holothure
LAETMOGONID
100% like holothure
ANOMURAN
100% like holothure
ZOANTHODEME
100% like holothure
HAUSTORIID
100% like holothure
THYSANOTEUTHID
100% like holothure
ORTHOCERID
100% like holothure
HALICHONDRIID
100% like holothure
SOLENOPLEURID
100% like holothure
ANTHOMEDUSAN
100% like holothure
SOMOHOLITID
100% like holothure
ANTHOZOON
100% like holothure
HOLOPARASITE
100% like holothure
THEROMORPH
100% like holothure
HOMOSCLEROMORPH
100% like holothure
HOMALONOTID
100% like holothure
HISTIOTEUTHID
100% like holothure
PLUTEUS
100% like holothure
ARTHROPODOLOGIST
100% like holothure
ZOöNULE
100% like holothure
HELODERMATID
100% like holothure
ALCYONARIAN
100% like holothure
HAPLOCERATID
100% like holothure
SIPHONOSTOME
100% like holothure
LOCOTROPHOZOAN
100% like holothure
PHLEGETHONTIID
100% like holothure
HELIODINID
100% like holothure
APODACEAN
100% like holothure
METAZOAN
100% like holothure
STRUTHIOLARIID
100% like holothure
DISCOPHORE
100% like holothure
HAPALODECTID
100% like holothure
ACTINULA
100% like holothure
PLANULA
100% like holothure
HELOTID
100% like holothure
THELYPHONID
100% like holothure
HIMANTOLOPHID
100% like holothure
GONOPHORE
100% like holothure
HYPERIIDEAN
100% like holothure
PHOLAD
100% like holothure
LOPHIID
100% like holothure
OCTOPOTEUTHID
100% like holothure
OPHIURAN
100% like holothure
ANNULATE
100% like holothure
TURBELLARIAN
100% like holothure
HETERODONT
100% like holothure
SCYPHOPOLYP
100% like holothure
HYPEROARTIAN
100% like holothure
HOMOLODROMIID
100% like holothure
THALASSINID
100% like holothure
ORTHOPTERAN
100% like holothure
SIPHONOPHORE
100% like holothure
GONOZOOID
100% like holothure
TROCHOLITID
100% like holothure
HALOCYPRID
100% like holothure
ZOOTHOME
100% like holothure
SEA BUG
100% like holothure
TROGULID
100% like holothure
HYDROPHYLLIUM
100% like holothure
HERPETOTHERIID
100% like holothure
LOPHOPHORE
100% like holothure
PSYCHROTEUTHID
100% like holothure
TROCHOSPHERE
100% like holothure
PANARTHROPOD
100% like holothure
CYSTOIDEAN
100% like holothure
HOLOTHURIN
100% like holothure