Following are all the substellar like words, in the list below.
UNDERMASSIVE
100% like substellar
PROTOSTELLAR
100% like substellar
PRESTELLAR
100% like substellar
STELLAR
100% like substellar
CIRCUMSTELLAR
100% like substellar
SUBPLANETARY
100% like substellar
EPISTELLAR
100% like substellar
SUBLUMINOUS
100% like substellar
STELLARY
100% like substellar
ROSTELLAR
100% like substellar
HYPERCOMPACT
100% like substellar
STELLARCENTRIC
100% like substellar
SUBPHOTOSPHERIC
100% like substellar
EARLY
100% like substellar
OVERLUMINOUS
100% like substellar
EXTRASOLAR
100% like substellar
QUASISTELLAR
100% like substellar
TRANSSTELLAR
100% like substellar
SUPERNEBULAR
100% like substellar
INFERIOR
100% like substellar
LATE
100% like substellar
NEBULAR
100% like substellar
STAR-FORMING
100% like substellar
INSULATED
100% like substellar
SUBGALACTIC
100% like substellar
PLANETESIMAL
100% like substellar
INFALLING
100% like substellar
INTERSIDEREAL
100% like substellar
HYPERMASSIVE
100% like substellar
DEEP-SKY
100% like substellar
SUPERSTELLAR
100% like substellar
GRAVOTURBULENT
100% like substellar
SUPERLUMINOUS
100% like substellar
EXTRAGALACTIC
100% like substellar
STARRY
100% like substellar
PRESOLAR
100% like substellar
SUB-LIGHT
100% like substellar
ULTRASTELLAR
100% like substellar
ANASTRAL
100% like substellar
STELLOCENTRIC
100% like substellar
OVERSOLAR
100% like substellar
EXOPLANETARY
100% like substellar
FAINTWARD
100% like substellar
SUPERIOR
100% like substellar
SHORT-PERIOD
100% like substellar
STARLY
100% like substellar
SUBASTRAL
100% like substellar
SUPER-JOVIAN
100% like substellar
SUPERSOFT
100% like substellar
ANTISOLAR
100% like substellar
HYPERLUMINOUS
100% like substellar
ASTERISMAL
100% like substellar
PANSTELLAR
100% like substellar
INTERGALACTIC
100% like substellar
METEOROIDAL
100% like substellar
CIRCUMGALACTIC
100% like substellar
STARFILLED
100% like substellar
ULTRAMAGNETIC
100% like substellar
STARFORMING
100% like substellar
SUPERSOLAR
100% like substellar
PROTOSOLAR
100% like substellar
EXOSOLAR
100% like substellar
SOLIPETAL
100% like substellar
EXTRAPLANETARY
100% like substellar
MOONLESS
100% like substellar
ASTROSEISMIC
100% like substellar
ASTAR
100% like substellar
SUPERCHONDRITIC
100% like substellar
TRANS-NEPTUNIAN
100% like substellar
SOLIFUGAL
100% like substellar
PRESUPERNOVA
100% like substellar
SUBSTRATOSPHERIC
100% like substellar
ULTRAFAINT
100% like substellar
ULTRA-DIFFUSE
100% like substellar
ASTRIFEROUS
100% like substellar
GALACTIC
100% like substellar
PREATMOSPHERIC
100% like substellar
SUBSOLAR
100% like substellar
INTERSTELLAR
100% like substellar
CIRCUMPLANETARY
100% like substellar
STAR-STUDDED
100% like substellar
SOLAR-TYPE
100% like substellar
DEEP SPACE
100% like substellar
SUNLIKE
100% like substellar
GALAXIAN
100% like substellar
ASTRON.
100% like substellar
TRANSPLANETARY
100% like substellar
HYPERLIMINOUS
100% like substellar
GRAVOTHERMAL
100% like substellar
INTRABINARY
100% like substellar
PHOTOGRAVITATIONAL
100% like substellar
CISLUNAR
100% like substellar
SUBPARSEC
100% like substellar
PERIASTRAL
100% like substellar
PHOTOECCENTRIC
100% like substellar
KUIPEROIDAL
100% like substellar
EXOATMOSPHERIC
100% like substellar
ASTRONOMICAL
100% like substellar
PALLADIAN
100% like substellar
CLUSTROCENTRIC
100% like substellar