5 letters

• caret,
• crate,
• carte,
• certa,
• artec,
• creta,
• cerat,
• acter,
• recta,
• trace,
• cater,
• react.

4 letters

• care,
• tare,
• cart,
• acer,
• tera,
• acre,
• cert,
• rate,
• tear,
• race.

3 letters

• art,
• ear,
• ace,
• tec,
• tea,
• tce,
• crt,
• are,
• ter,
• car,
• arc,
• era,
• ert,
• cer,
• cat,
• ret,
• tar,
• rat,
• eta,
• act,
• aec,
• ate,
• eat,
• etc,
• ect.