13-Letter Words Matching _________E_I_

There are 84 13-letter words that match _________E_I_. 11 are common words, such as AMNIOCENTESIS and ENCYCLOPAEDIA. A rarer one is TUMORIGENESIS. In this set, N is the most frequent open letter (67 words). 7 words contain a doubled letter.

Full list 84

Common words

amniocentesisencyclopaediaencyclopaedicferromagnetichyperglycemianitroglycerinonomatopoeticschizophreniaschizophrenicstratosphericunsympatheticpsychokinesis
amniocentesisencyclopaediaencyclopaedicferromagnetichyperglycemianitroglycerinonomatopoeticschizophreniaschizophrenicstratosphericunsympatheticpsychokinesisanthropogenicblastogenesiscyanobacteriafrontogenesisgametogenesishematogenesishematopoiesisheterogenesisheterogenetichydromagnetichyperesthesiahyperglycemichypoglycaemiamorphogenesismorphogeneticnitrobacterianonallergenicnonapologeticnonpathogenicorganogenesisparasynthesispassementeriepolysyntheticpsychastheniapsychogenesispsychokineticschizogenesissyringomyeliathermesthesiathermogenesisantibourgeoisatherogenesischromosphericdigitoxigeninembryogenesisembryogeneticepileptogenicferrimagnetichematopoieticheterogametichomopolymerichypercalcemiahypercalcemichyperesthetichyperuricemiaimmunogenesisimmunogeneticinterepidemicinterpandemiciontophoresisiontophoreticmelanogenesismonomorphemicnonalphabeticorganogeneticoverenergeticpaleomagneticpanleukopeniaparasyntheticpostbourgeoispreanestheticprogestogenicpsychasthenicpsychogeneticsemisyntheticspermatogenicsporopolleninsteroidogenicsyringomyelicteratogenesisthermospherictumorigenesis

About this list

Words
84 (11 common words)
Common example
amniocentesis
Rare example
tumorigenesis
Doubled letters
7
Ending in S
23
Most frequent letter
N (67)

Questions

How many 13-letter words matching _________e_i_ are there?

84. 11 of them are common words.

What is a common example?

AMNIOCENTESIS is among the common words in this set.