They should be taught them. Sorrow is a fact of life and you can't insulate children from reality, it is better for them to gradually become accustomed to the concept through the medium of stories and rhymes before facing it for real in their own lives.
Glad.
A word that rhymes with "now" and means "sad" is "sallow."
No.
there is not a sad word that rhymes with feet
glad, sad
mad rhymes sad and for hobo is Jacobo, toyobo basset oboe bobo, cobo, globo, lobo, oboe, robo
No - Sad and Tack do not rhyme. The endings do not sound like each other, nor are they spelt in the same way. Sad rhymes with bad, mad, lad, glad. Tack rhymes with pack, rack, mac, lack, hack.
Drool.
sighing
sad Dad
glad sad mad bad dad fad clad pad rad tad bad sad glad lad Brad Thad
Sadistic, unmagistic,