I believe it is Sientolo
sentir or siento
i feel young = me siento joven
"I feel tired" would be "Siento cansado"
Me siento ignorado
Me siento terrible
Me siento como
me siento burlado
"Me siento mal."
"To feel" is the verb "sentir". Do not confuse this with "sentar", which means "to sit".
"No me siento bien."
Yo siento enfermo
Te sientes como un niño perdido would be the best way to say "You feel like a lost child" in Spanish.