Words that have the same pattern of consonants, such as BeTRaY and oBiTuaRY, euTHaNaSia and aTHeNS, SPoNGe and eSPioNaGe, KNoW and oKiNaWa, iCHNeuMoN and CHiNaMan, and oRCHeSTRa and RoCHeSTeR, are known as consonyms.
"The Most Fecund Consonyms,"
Word Ways: Vol. 19
, Article 9.
Available at: http://digitalcommons.butler.edu/wordways/vol19/iss4/9