R

679. right

680. read

681. round

682. run

683. real

684. room

685. remember

686. rather

687. river

688. rain

689. rock

690. reason

691. really

692. reach

693. report

694. rest

695. ready

696. record

697. road

698. ran

699. rule

700. recent

701. return

702. require

703. respect

704. religion

705. receive

706. result

707. ran

708. remain

709. rise

710. race

711. relate

712. regard

713. red

714. refuse

715. rich

716. ring

717. resident

718. railway

719. ride

720. raise

721. rapid

722. regular