preg·na·ble 
(prĕgnə-bəl)
(prĕgnə-bəl)adj.
Being such that attack, seizure, or capture is possible; vulnerable or assailable: a pregnable fortress.
[Middle English preignable, pregnabul, from Old French prenable, pregnauble, from prendre, to grasp, from Latin prehendere, prēndere; see ghend- in the Appendix of Indo-European roots.]
preg′na·bili·ty n.
- substance abuser
- substance P
- substance use disorder
- substandard
- substantia gelatinosa
- substantial
- substantiality
- substantially
- substantialness
- substantia nigra
- substantiate
- substantiation
- substantival
- substantivally
- substantive
- substantively
- substantiveness
- substantive right
- substation
- substituent
- substitutability
- substitutable
- substitute
- substitution
- substitutional