overshoot, overstocking, overstor(e)y, overstrain(ing), overtillage, overtiredness, overtop, overtopping, overturn, overuse, overvoltage, overwash, overwatering, overweight, overwinter, ovicide, oviduct, ovilation, oviposition, ovitrap, ovule, ovum, owl, ox, oxalo acetic acid, oxegeophytium, oxen, oxfly, oxidant, oxidation - English-Kazakh Ecological Dictionary - Казахские словари