s, a, o, e, l, n, p, t, i, u are letters that make 'penal institution'
IT, pe, ti, pen, INS, en, ut, tit, tut, penal, on, inst, in, institution, AL, IN, Io, ion, Al, In, Na, Ti, UT are words within 'penal institution'
1 possible definitions for 'penal institution'
Under this definition, penal institution is a noun and has the following properties:
penal facility has the same meaning as penal institution
'penal institution' can be a type of institution.
brig, camp, correctional institution, penal colony are types of 'penal institution'.
'penal institution' can be a part of infrastructure, base.