13-letter words containing h, i, g, b, r, o
- overbreathing — hyperventilation
- overnight bag — a travel bag large enough to hold personal articles and clothing for an overnight trip.
- phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
- roxburghshire — a historic county in SE Scotland.
- thyroglobulin — a protein which is found in the thyroid gland and which contains iodine
- toothbrushing — the act or method of cleaning the teeth with a toothbrush.
- turbocharging — the process or action of supplying an internal combustion engine or a motor vehicle with a turbocharger
- unneighboured — having no neighbour or neighbours
- unneighbourly — unfriendly and unhelpful