Following are all the trigrammatic like words, in the list below.
TRIANGULAR
100% like trigrammatic
TRIONYMOUS
100% like trigrammatic
TRILITERAL
100% like trigrammatic
TRILINGUAL
100% like trigrammatic
MULTIALPHABETIC
100% like trigrammatic
TRIPERSONAL
100% like trigrammatic
TRINATIONAL
100% like trigrammatic
TRIGENDER
100% like trigrammatic
TRIREGIONAL
100% like trigrammatic
TRISTATE
100% like trigrammatic
TRITHEISTIC
100% like trigrammatic
TRICENARY
100% like trigrammatic
MULTILITERAL
100% like trigrammatic
MULTIALPHABET
100% like trigrammatic
TRICULTURAL
100% like trigrammatic
TRIARIAN
100% like trigrammatic
TRIUMVIRAL
100% like trigrammatic
TRICOLONIC
100% like trigrammatic
TROIC
100% like trigrammatic
ALPHABETIC
100% like trigrammatic
TRIRACIAL
100% like trigrammatic
TRIPARTISAN
100% like trigrammatic
TRINITARIAN
100% like trigrammatic
TRICOUNTY
100% like trigrammatic
TRIMESTRIAL
100% like trigrammatic
HEXALITERAL
100% like trigrammatic
TRIETERICAL
100% like trigrammatic
ABECEDARIAN
100% like trigrammatic
TRITERRITORIAL
100% like trigrammatic
TRICOASTAL
100% like trigrammatic
TRIANDROUS
100% like trigrammatic
TRICONTINENTAL
100% like trigrammatic
TRIPOLINE
100% like trigrammatic
TRIPITAKAN
100% like trigrammatic
TRIPOLAR
100% like trigrammatic
TRISERVICE
100% like trigrammatic
BELLETRISTIC
100% like trigrammatic
QUADRILINGUAL
100% like trigrammatic
TRINOGAMOUS
100% like trigrammatic
TRICENNIAL
100% like trigrammatic
POLYGLOT
100% like trigrammatic
SEMI-UNCIAL
100% like trigrammatic
TRIUMPHAL
100% like trigrammatic
ABJADIC
100% like trigrammatic
TRIFLUVIEN
100% like trigrammatic
TETRARCHICAL
100% like trigrammatic
TRIDECENNARY
100% like trigrammatic
TRILLENNIAL
100% like trigrammatic
TETRARADICAL
100% like trigrammatic
VERBAL
100% like trigrammatic
TRICLINIAL
100% like trigrammatic
CHARACTONYMOUS
100% like trigrammatic
BILINGUAL
100% like trigrammatic
IDEOGRAPHIC
100% like trigrammatic
QUINQUATRIAN
100% like trigrammatic
CONSONANT
100% like trigrammatic
PENTAGONAL
100% like trigrammatic
RUNIC
100% like trigrammatic
QUADRIPARTITE
100% like trigrammatic
TRIDECAMERIC
100% like trigrammatic
SYLLABIC
100% like trigrammatic
TETRAPOLITAN
100% like trigrammatic
TRIVERBIAL
100% like trigrammatic
TRIPOLITANIAN
100% like trigrammatic
TRICLINIARY
100% like trigrammatic
TRIPOLITIC
100% like trigrammatic
HETEROGLOT
100% like trigrammatic
TRIVIALISTIC
100% like trigrammatic
WRITTEN
100% like trigrammatic
QUATERNAL
100% like trigrammatic
TETRANARY
100% like trigrammatic
DIGAMMIC
100% like trigrammatic
TRIBUNARY
100% like trigrammatic
HERMETIC
100% like trigrammatic
SPINTRIAN
100% like trigrammatic
TRIFLUVIAN
100% like trigrammatic
SEPTENARY
100% like trigrammatic
TRIESTINE
100% like trigrammatic
TRIGINTENNIAL
100% like trigrammatic
TRIPOLITAN
100% like trigrammatic
SATURNIAN
100% like trigrammatic
HEBRAISTIC
100% like trigrammatic
OGHAMIC
100% like trigrammatic
UNCIAL
100% like trigrammatic
DITHYRAMBIC
100% like trigrammatic
MONONYMOUS
100% like trigrammatic
GREEK-LETTER
100% like trigrammatic
GHENTISH
100% like trigrammatic
GLAGOLITIC
100% like trigrammatic
HIERATIC
100% like trigrammatic
LATIN
100% like trigrammatic
TOCHARIAN
100% like trigrammatic
SEXAGENARY
100% like trigrammatic
BIMORAIC
100% like trigrammatic
MULTILINGUAL
100% like trigrammatic
MULTILATERAL
100% like trigrammatic
TRIBULAR
100% like trigrammatic
TRIBUNITIAL
100% like trigrammatic
MANTRIC
100% like trigrammatic
QUADRINATIONAL
100% like trigrammatic