1
depression(noun, break, retreat, opening, hole)
1
depths
1
embrasure(noun, break, low, retreat, hole)
1
fork
1
hiding place(noun, expression, break, hole, hollow)
1
hole(noun, break, retreat, opening, hollow)
1
hollow(noun, break, retreat, opening, hole)
1
inner man
1
inner nature
1
inside
1
interior
1
intern
1
internal
1
inward
1
mouth
1
niche(noun, break, opening, hole, hollow)
1
nook(noun, break, opening, hole, hollow)
1
opening(noun, break, hole, hollow, corner)
1
oriel(noun, break, low, retreat, hole)
1
privacy(noun, space, secrecy, solitude)
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APASmart Define. (2015). penetralia thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/penetralia/thesaurus/synonyms
ChicagoSmart Define. 2015. "penetralia thesaurus" https://smartdefine.org/penetralia/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, penetralia thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/penetralia/thesaurus/synonyms>.
MLASmart Define. "penetralia thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/penetralia/thesaurus/synonyms>