homorganic - used to describe speech sounds that are formed at the same point in the vocal tract.
Examples are the bilabials "p," "b," "m," and "w," which are all formed using both lips pushed together.
Comment 1: This is the basis for the Chinese system of teaching pronunciation loosely termed:
Comment 2: Another "morgan" word - how about "morganatic" usually used for describing a special kind of marriage involving royal folks - adj. Of or pertaining to a legal marriage between a person of royal or noble birth and a partner of lower rank, in which no titles or estates of the royal or noble partner are to be shared by the partner of inferior rank nor by any of the ofspring of the marriage.
Read that Edward VIII proposed such an arrangement re Mrs. Wallis Simpson but was nixed by both houses and his mother - and hence his abdication of the throne "for the woman I love".