base (military, expedition, etc.)
substrate (i.e. in biochemistry); matrix (i.e. in biology); stroma
basics; fundamentals; basis; foundation
standard; basis; criterion; norm; reference; datum
foundation; basis; bedrock; substrate (circuit board)
basic tone; underlying tone; trend; keynote
datum point; cardinal point; reference point; origin
basis; foundation; core; criterion; standard
fundamental right; fundamental human right
base layer; substratum; binder course
substrate; base material; matrix; backing; carrier
platform on which a structure is built; stylobate; foundation
base; substrate; substratum
basic resident register network system; national online citizen ID number system; Juki Net
cardinal number; base; radix
the absolute basics (esp. in educational contexts); most basic of basics; most fundamental thing
basic state; basic status
fundamental tone; fundamental note
base (e.g. of an ointment or suppository)
cornerstone; foundation stone
foundation of a great project; base of a great enterprise
ingredient (of a traditional Chinese medicine)
basic resident register card; citizen identification card; Juki card
antigenic determinant; epitope
protolanguage; parent language; root word; word in the parent language
radix (numeration) system; radix notation
cardinal numeral; cardinal number