An example is Exeggcutor having the same Grass typing as Alolan Exeggcutor. What other regional forms keep one of the same typings of it's original form?
There are quite a few
Ratatta-Normal Raticate-Normal Raichu-Electric Diglett-Ground Dugtrio-Ground Geodude-Rock Graveler-Rock Golem-Rock Grimer-Poison Muk-Poison Exeggutor-Grass Slowpoke-Psychic Slowbro-Psychic Weezing-Poison Mr Mime-Psychic Articuno-Flying Zapdos-Flying Moltres-Flying Slowking-Psychic Zizagoon-Normal Linoone-Normal Darmanitan-Zen-Fire Yamask-Ghost Stunfisk-Ground
Source:Bulbapedia I’ve hoped I’ve helped!
Rattata line raichu diglett line geodude line grimer line zigzagoon line weezing mr mime line darmanitan(only zen mode) yamask line stunfisk slowpoke line (both have psychic type) legendary birds(all have flying type) Exeggcutor (as you said) source Hope I Helped!
