Following are all the testiest like words, in the list below.
RANCOROUS
100% like testiest
HEATED
100% like testiest
FROSTY
99.99% like testiest
BITTER
99.99% like testiest
ACRIMONIOUS
99.98% like testiest
TENSE
99.98% like testiest
TEMPESTUOUS
99.98% like testiest
RANCOR
99.97% like testiest
CONTENTIOUS
99.97% like testiest
NASTINESS
99.96% like testiest
DETENTE
99.96% like testiest
STORMY
99.96% like testiest
DEBATE
99.95% like testiest
FIERCEST
99.95% like testiest
CONTRETEMPS
99.94% like testiest
CORDIAL
99.94% like testiest
ACRIMONY
99.94% like testiest
CHIPPY
99.93% like testiest
BICKERING
99.93% like testiest
SNIPING
99.92% like testiest
TOUCHY
99.92% like testiest
SKIRMISH
99.92% like testiest
DUSTUP
99.91% like testiest
TUMULTUOUS
99.91% like testiest
DUELING
99.9% like testiest
FRACTIOUS
99.9% like testiest
CHUMMY
99.9% like testiest
SNIPPY
99.89% like testiest
SPATS
99.89% like testiest
GIBES
99.88% like testiest
DONNYBROOK
99.88% like testiest
PRICKLY
99.88% like testiest
TETCHY
99.87% like testiest
SIMMERING
99.87% like testiest
UPMANSHIP
99.86% like testiest
GAMESMANSHIP
99.86% like testiest
KUMBAYA
99.86% like testiest
MUDSLINGING
99.85% like testiest
RIVALRY
99.85% like testiest
CATFIGHT
99.84% like testiest
FISTICUFFS
99.84% like testiest
ROILING
99.84% like testiest
TIFFS
99.83% like testiest
JOUSTING
99.83% like testiest
DICIEST
99.82% like testiest
SPIRITED
99.82% like testiest
QUARRELS
99.82% like testiest
FENCE MENDING
99.81% like testiest
BARBS
99.81% like testiest
FEISTINESS
99.8% like testiest
BACKBITING
99.8% like testiest
FIERY
99.8% like testiest
CLIMACTIC
99.79% like testiest
TEMPEST
99.79% like testiest
BRUSHBACK
99.78% like testiest
SQUABBLE
99.78% like testiest
TUMULT
99.78% like testiest
DONNYBROOKS
99.77% like testiest
BANTERING
99.77% like testiest
SEESAWING
99.76% like testiest
ANGRIEST
99.76% like testiest
DISAGREEMENTS
99.76% like testiest
LEVITY
99.75% like testiest
FRICTION
99.75% like testiest
JAWING
99.74% like testiest
DIVISIVE
99.74% like testiest
POLARIZING
99.74% like testiest
KNOTTIEST
99.73% like testiest
INTENSE
99.73% like testiest
SPARRING
99.72% like testiest
TENSION
99.72% like testiest
VITRIOLIC
99.72% like testiest
BEANBALL
99.71% like testiest
ANIMOSITY
99.71% like testiest
SOUREST
99.7% like testiest
CHILLY
99.7% like testiest
TEPIDNESS
99.7% like testiest
KIBITZ
99.69% like testiest
GUSTIEST
99.69% like testiest
BETWEEN
99.68% like testiest
MESSY
99.68% like testiest
FISTFIGHT
99.68% like testiest
ROCKY
99.67% like testiest
DISPUTATIONS
99.67% like testiest
CORDIALITY
99.66% like testiest
BLOWUP
99.66% like testiest
UNPLEASANTNESS
99.66% like testiest
CIVILITY
99.65% like testiest
ADVERSARIAL
99.65% like testiest
THROWDOWN
99.64% like testiest
JUICIEST
99.64% like testiest
ANTAGONISTIC
99.64% like testiest
TURBULENT
99.63% like testiest
RECRIMINATORY
99.63% like testiest
PARTISAN
99.62% like testiest
FULMINATION
99.62% like testiest
THORNIEST
99.62% like testiest
WAFFLING
99.61% like testiest
UGLIER
99.61% like testiest
YOUNGNESS
99.6% like testiest