being connected at a fundamental level; having an unseen commonality; underlying (both)
bottom of one's heart; depths of one's mind; innermost thoughts; real intentions
base (e.g. of a triangle); low class; low in social standing; base (e.g. of support); foundation
palm heel; heel of the palm
original text; source book; draft
bottom current; undercurrent
planta; planta pedis; sole of the foot
well bottom; narrow place
orbital floor (thin bone floor of eye socket)
pelvic floor muscle; pubococcygeal muscle; Kegel muscle
benthic organism; sea-bottom fauna; benthos
bottom water (depth: 4000+ meters)
ocean floor; sea floor; seabed
bottom material; bed material; sludge; sediment; substratum
benthic animal; benthonic animal; zoobenthos
phlegmon in floor of oral cavity; Ludwig's angina