Rowlet - combination of round or arrow and owlet.
Dartrix - combination of dart and the genus Strix or tricks.
Decidueye - combination of deciduous, duel, and deadeye.
Litten - combination of lit, little, and kitten.
Torracat - combination of torrid (very hot and dry) and cat. It may also involve tora, Japanese for tiger.
Incineroar - combination of incinerate and roar.
Popplio - combination of sea lion pup, pop (Hawaiian for ball) and ʻīlio-holo-i-ka-uaua (Hawaiian for the Hawaiian monk seal; meaning "dog that runs in rough water").
Brionne - combination of brio (vivacity of style or performance), sea lion, brine, and ondine (a type of female water nymph or mermaid).
Primarina - combination of prima donna, marina, and ballerina.
Pikipek - combination of picus (Latin for woodpecker) and peck.
Trumbeak - combination of trumpet and beak.
Toucannon - combination of toucan and cannon.
Yungoose - combination of young and mongoose.
Gumshoos - combination of gumshoe (detective) and mongoose.
Grubbin - combination of grub and grubbing, to scavenge or dig.
Charjabug - combination of charge and bug.
Vikavolt - combination of vice grip or wicga (Old English for insect) and volt.
Crabrawler - combination of crab and brawler.
Crabawminable -combination of crab and abominable snowman.
Oricorio - combination of oriole and choreography.
Cutiefly - combinatio of cutie and fly.
Ribombee - combination of ribbon and bee.
Rockruff - combination of rock and rough.
Lycanrock - combination of Lycanthrope and rock.
Wishiwashi - a play on the japanese word for sardene, iwashi.
Mareanie - combination of marine and meanie.
Toxapex - combination of toxic and apex.
Mudbray - combination of mud and bray (cry of a donkey).
Mudsdale - combination of mud and Clydesdale.
Dewpider - combination of dew and spider.
Araquanid - combination of aqua and arachnid.
Fomantis - combination of faux (false) and mantis.
Laurantis - combination of lure, allure, fleur (French for flower), and mantis.
Morelull - combination of morel and lull.
Shiinotic - combination of shiitake(type of mushroom), shine (die), and hypnotic.
Salandit - combination of salamander and bandit.
Salazzle - combination of salamnder and dazzle or sizzle.
Stufful - derived from "stuffed animal".
Bewear - comnbination of bewear, wear and bear.
Bounsweet - combination of bounce and sweet.
Steenee - combination of mangosteen and tiny (teeny) or teenager.
Tsareena - combination of tsarina, a Russian female monarch, and serene. It may also incorporate queen.
Comfey - combination of comfy, comfort, comfrey, fey, and lei.
Oranguru - combination of orangutan and guru.
Passimian - combination of pass and simian.
Wimpod - combination of wimp and the taxonomic term pod (foot), such as in "isopod".
Golisopod - combination of Goliath and isopod.
Sandygast - combination of sand and ghast.
Palossand - combination of palace and sand. It may be a pun on pile of sand.
Pyukumuku - combination of puke, cucumber, and mucus.
Type: Null - literally type and null (nothing).
Silvally - combination of silver and ally. It contains all which could be arefenrece to its ability.
Minior - combination of minor, mini, meteor, junior, and armor.
Komala - combination of koala and coma.
Turtonator - combination of turle and detonator.
Togedemaru - literally means thorned and round in japanese ( 棘で丸 toge de maru)
Mimikyu - combination of mimic and you.
Bruxish - combination of bruxism and fish.
Drampa - combination of dragon and grampa (grandfather).
Dhelmise - combination of demise and helm.
Jangmo-o - combination of jangling and moʻo (Hawaiian for lizard or dragon).
Hakamo-o - Haka, a type of war dance involving vigorous movements and foot stamping, and mo'o (Hawaiian for lizard or dragon).
Kommo-o - Commotion (in reference to the noises produced by its scales) and mo'o (Hawaiian for lizard or dragon).
Tapu Koko - combination of tapu (Hawaiian for sacred or holy) and kokō (Hawaiian onomatopoeia for a rooster's crowing).
Tapu Lele - combination of tapu (sacred, holy) and pulelehua (Hawaiian for butterfly).
Tapu Bulu - combination of tapu (sacred, holy) and bull.
Tapu Fini - combination of tapu (sacred, holy) and fin.
Cosmog - combination of cosmos and smog.
Cosmoes - combination of cosmos and embryo.
Solgale - combination of sol (Latin for sun) and leo (Latin for lion). It also incorporated Galileo.
Lunala - combination of lunar and ala (latin for wing).
Nihilego - combination of nihil (Latin for indefinite nothing) and ego (Latin for I), which together roughly translates to "I am nothing" or "I have nothing".
Buzzwole - combination of buzz and the slang word swole which means muscular.
Pheromosa -combination of pheromone and hermosa (Spanish for beautiful) or formosa (Italian for shapely; Portuguese for beautiful).
Xurkitree - combination of a corruption of circuitry and tree.
Celesteela - combination of celestial, steel and stella (Latin for star).
Kartana - combination of katana, a Sanskrit word for "cutting". It may also incorporate katana, charta (Latin for paper), or Curtana, the British ceremonial sword used at the coronations for kings and queens.
Guzzlord - combination of guzzle (to eat or drink in a greedy manner) and lord.
Necrozma - combination of νεκρός nekrós (Ancient Greek for dead), 黒 kuro (black), and πρῖσμα prîsma (Ancient Greek for prism).It may also be based off of Project Ozma, an experiment made to search for extraterrestrial life.
Magearna - combination of machina, Latin for machine, and gear.
Marshadow - combination of martial arts, nightmarcher, and shadow.
Source: Bulbapedia.
