Following are all the ethynium like words, in the list below.
ETHENIUM
100% like ethynium
ETHANIUM
100% like ethynium
ETHYNYL
99.99% like ethynium
ETHYNE
99.99% like ethynium
ETHINE
99.98% like ethynium
ETHINYL
99.98% like ethynium
ETHYNYLENE
99.98% like ethynium
ETHYNOL
99.97% like ethynium
ETHENE
99.97% like ethynium
ACETENYL
99.96% like ethynium
ETHENONE
99.96% like ethynium
ACETYLENE
99.96% like ethynium
EPIETHANE
99.95% like ethynium
ACETYLIDE
99.95% like ethynium
ETHYNIDE
99.94% like ethynium
ETHYNEDIOL
99.94% like ethynium
ETHANEDITHIOL
99.94% like ethynium
ACETYLENEDIOL
99.93% like ethynium
ACETYLENYL
99.93% like ethynium
ETHIONIC ACID
99.92% like ethynium
TERMINAL ACETYLENE
99.92% like ethynium
ETHYNYLATION
99.92% like ethynium
ETHANAL
99.91% like ethynium
TOSYLACETYLENE
99.91% like ethynium
METHYLACETYLENE
99.9% like ethynium
ETHYLENE
99.9% like ethynium
METHYLIUM
99.9% like ethynium
ACETYLONIUM
99.89% like ethynium
PROPYNE
99.89% like ethynium
DIOXYGENYL
99.88% like ethynium
METHANIUM
99.88% like ethynium
ARYLACETYLENE
99.88% like ethynium
DIHYDROGEN
99.87% like ethynium
ACETHYDRAZIDE
99.87% like ethynium
DIPHENYLIODONIUM
99.86% like ethynium
DIETHYNYL
99.86% like ethynium
ETHYL
99.86% like ethynium
THIONITRONIUM
99.85% like ethynium
ACETYLENEDIOLATE
99.85% like ethynium
ETHENYL
99.84% like ethynium
ETHOXIDE
99.84% like ethynium
AMINOETHANE
99.84% like ethynium
ETHYLIDENE
99.83% like ethynium
PHENYLETHYNYL
99.83% like ethynium
ACETYLENATION
99.82% like ethynium
TRIMETHYLTELLURONIUM
99.82% like ethynium
ETHANOATE
99.82% like ethynium
ETHOXY
99.81% like ethynium
METHYLENE
99.81% like ethynium
HYDRAZINIUM
99.8% like ethynium
HEXINE
99.8% like ethynium
HYDROXYETHANE
99.8% like ethynium
ETHANOLATE
99.79% like ethynium
ETHYLAMMONIUM
99.79% like ethynium
ETHOXYETHANE
99.78% like ethynium
ETHYLALUMINIUM
99.78% like ethynium
PHENYLACETYLENE
99.78% like ethynium
BUTYNE
99.77% like ethynium
ETHIDE
99.77% like ethynium
CYANOACETYLENE
99.76% like ethynium
HEPTYLENE
99.76% like ethynium
HEXADECYNE
99.76% like ethynium
ETHULE
99.75% like ethynium
DIYNE
99.75% like ethynium
TRIETHYLENE
99.74% like ethynium
TRIMETHYLANAMINIUM
99.74% like ethynium
ETHIDENE
99.74% like ethynium
TRIETHYLAMMONIUM
99.73% like ethynium
DIACETYLENE
99.73% like ethynium
CYANOETHYL
99.72% like ethynium
BUTADIYNE
99.72% like ethynium
DIETHYLENE
99.72% like ethynium
METHENE
99.71% like ethynium
MONOETHYL
99.71% like ethynium
ETHYL ACETATE
99.7% like ethynium
ETHANOIC ACID
99.7% like ethynium
PYRIDINIUM
99.7% like ethynium
TETROLIC ACID
99.69% like ethynium
ACETYLHYDRAZINE
99.69% like ethynium
ETHYLIN
99.68% like ethynium
ACETONITRILE
99.68% like ethynium
HALOACETYLENE
99.68% like ethynium
ETHAL
99.67% like ethynium
CYCLOPROPENIUM
99.67% like ethynium
ETHANETHIOL
99.66% like ethynium
ETHYL CHLORIDE
99.66% like ethynium
HYDROKRYPTOACETYLENE
99.66% like ethynium
TROPYLIUM
99.65% like ethynium
ETHOXYCYCLOHEXANE
99.65% like ethynium
ETHIODIDE
99.64% like ethynium
PHENANTHRIDINIUM
99.64% like ethynium
IODOETHANE
99.64% like ethynium
ETHYLIA
99.63% like ethynium
OCTYNE
99.63% like ethynium
ETHANE
99.62% like ethynium
TRIMETHYLETHYLENE
99.62% like ethynium
POLYYNE
99.62% like ethynium
ETHYLENIMINE
99.61% like ethynium
ARYLDIACETYLENE
99.61% like ethynium
ETHYNYLBENZENE
99.6% like ethynium