固唾を呑む[katazuwonomu] to hold one's breath (in fear, anxiety, etc.)
唾き[tsubaki] saliva
唾液[daeki] saliva
眉唾物[mayutsubamono] fake
唾液腺[daekisen] salivary gland

生唾[namatsuba] saliva (in one's mouth)
唾棄[daki] contemptuous
虫唾[mushizu] heartburn
虫唾が走る[mushizugahashiru] to be disgusted with (wouldn't touch with a pair of tongs)
固唾[katazu] saliva held in one's mouth during times of tension

滝壷[takitsubo] basin under a waterfall
墨壷[sumitsubo] ink bottle
火消壷[hikeshitsubo] charcoal extinguisher
骨壷[kotsutsubo] funerary urn
油壷[aburatsubo] oilcan

蛸壷[takotsubo] octopus pot
痰壷[tantsubo] spittoon
思う壷[omoutsubo] one's wishes
思う壷にはまる[omoutsubonihamaru] to turn out just as one wished