Spit
Saliva
noun
The kanji means saliva, and this is the basic, everyday word for that: spit.
The reading is the same as the one you learned with the kanji.
唾を飲み込む
to swallow one's spit
唾を吐く
to spit
唾をつける
to put saliva on, to stake a claim on something
唾を吐きかける
to spit at
唾を飛ばす
to spray saliva
彼は緊張して唾がうまく飲み込めなかった。
He was so nervous he could barely get his saliva down.
唾を飛ばさないようにゆっくり話しました。
I spoke slowly so as not to send spittle flying.
あの新人、優秀だから、今のうちに唾をつけておいたほうがいいよ。
That new hire is really good — we should try to lay claim to him while we can.