Scandalum magnatum
definition: A defamatory speech or writing published to the injury of a person of dignity; -- usually abbreviated scan. mag.

Scandalum magnatum is an 18 letter word that begins with an S and ends in an M

Self-communicative (a.)
definition: Imparting or communicating by its own powers.

Self-communicative is an 18 letter word that begins with an S and ends in an E

Self-consciousness (n.)
definition: The quality or state of being self-conscious.

Self-consciousness is an 18 letter word that begins with an S and ends in an S

Self-contradiction (n.)
definition: The act of contradicting one's self or itself; repugnancy in conceptions or in terms; a proposition consisting of two members
One of which contradicts the other; as to be and not to be at the same time is a self-contradiction.
Self-contradiction is an 18 letter word that begins with an S and ends in an N

Self-contradictory (a.)
definition: Contradicting one's self or itself.

Self-contradictory is an 18 letter word that begins with an S and ends in a Y

Self-determination (n.)
definition: Determination by one's self; or
Determination of one's acts or states without the necessitating force of motives; -- applied to the voluntary or activity.
Self-determination is an 18 letter word that begins with an S and ends in an N

Self-fertilization (n.)
definition: The fertilization of a flower by pollen from the same flower and without outer aid; autogamy.

Self-fertilization is an 18 letter word that begins with an S and ends in an N

Self-righteousness (n.)
definition: The quality or state of being self-righteous; pharisaism.

Self-righteousness is an 18 letter word that begins with an S and ends in an S

Semi circumference (n.)
definition: Half of a circumference.

Semi circumference is an 18 letter word that begins with an S and ends in an E

Semi-Christianized (a.)
definition: Half Christianized.

Semi-Christianized is an 18 letter word that begins with an S and ends in a D

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