nasal breathing;  breathing through one's nose
 one breath;  time of one breath;  pause;  break;  (doing in) one go;  doing without stopping
 taking a breath (while singing, swimming, etc.);  short break;  breather
 breathing of a sleeping person
 taking a breather;  relaxation;  vent hole
 shortness of breath;  panting;  puffing;  running out of steam (e.g. economy);  losing momentum
 faint breath;  dying whisper;  at death's door
 perfectly in sync;  in step (dancing);  on the same wavelength
 difficult breathing;  heavy breathing;  gasping
 reek of liquor in one's breath
 visible breath (i.e. when it's cold);  frosty breath;  white breath