Based on tare, new words formed by adding one letter at the beginning or end:
a - aert b - reata c - taber d - caret e - cater f - crate g - react h - recta i - trace k - dater l - derat m - rated n - tared o - trade p - tread r - arete s - eater t - great u - retag v - targe w - terga x - earth y - hater