4-letter words that end in a
- oita — a seaport on NE Kyushu, in S Japan.
- okra — a shrub, Abelmoschus esculentus, of the mallow family, bearing beaked pods.
- okta — (meteorology) One eighth of the total area of the celestial dome; used as a measure of cloudiness (one okta means that one eighth of the sky is obscured, two oktas that one quarter is obscured, and so on).
- olea — Pharmacology. oil.
- olga — Saint, died a.d. 968? regent of Kiev until 955: saint of the Russian Orthodox Church.
- olla — a pot, especially an earthen pot for holding water, cooking, etc.
- onia — Plural form of onium.
- oona — a female given name.
- opia — Plural form of opium.
- opra — Occupational Pensions Regulatory Authority
- orca — the killer whale, Orcinus orca.
- orra — not regular or scheduled; odd: orra work.
- osha — the division of the Department of Labor that sets and enforces occupational health and safety rules.
- ossa — a mountain in E Greece, in Thessaly. 6490 feet (1978 meters).
- osta — Optical Storage Technology Association
- ouma — grandmother, esp in titular use with surname
- oupa — grandfather, esp in titular use with surname
- paba — para-aminobenzoic acid.
- paca — a large, white-spotted, almost tailless rodent, Agouti paca, of Central and South America, having features resembling a guinea pig and rabbit: valued as food.
- pada — a unit of Sanskrit or Vedic poetic meter, a series of light and heavy syllables, usually one quarter of a four-line stanza.
- papa — father.
- para — a former copper coin of Turkey, the 40th part of a piaster.
- pata — 1. (storage) Parallel Advanced Technology Attachment. 2. Pooling Agreement for Technical Assistance.
- paua — a large, edible abalone of New Zealand, Haliotis iris, the shell of which is used in making jewelry.
- pdsa — People's Dispensary for Sick Animals
- peba — nine-banded armadillo.
- pela — a Chinese scale insect that excretes wax, Ericerus pela
- pera — a modern section of Istanbul, Turkey, N of the Golden Horn: commercial and residential area.
- peta — People for the Ethical Treatment of Animals
- pica — an abnormal appetite or craving for substances that are not fit to eat, as chalk or clay, common in malnutrition, pregnancy, etc.
- pika — any of several small, brown to gray tailless mammals of the genus Ochotona, resembling rabbits with short ears and legs and inhabiting western mountains of North America and parts of eastern Europe and Asia.
- pila — an anatomical structure like a pillar in form
- pima — a member of an Indian people of southern Arizona and northern Mexico.
- pina — pineapple.
- pipa — a short-necked fretted lute of Chinese origin.
- pisa — a city in NW Italy, on the Arno River: leaning tower.
- pita — a round, flat Middle Eastern bread that is often filled with meat, peppers, etc., to make a sandwich.
- plea — an appeal or entreaty: a plea for mercy.
- pola — Pula.
- ppga — Plastic Pin Grid Array
- ppta — Post-primary Teachers Association
- proa — any of various types of Indonesian boats, especially a swift Malay sailing boat built with the lee side flat and balanced by a single outrigger.
- psia — pounds per square inch, absolute
- ptca — percutaneous translumenal coronary angioplasty, a technique for inserting a catheter into an artery to prevent congestive heart disease
- puca — (in folklore) an Irish spirit, mischievous but not malevolent, corresponding to the English Puck.
- puja — the worship of a particular god.
- puka — a small white shell found on Pacific, especially Hawaiian, beaches and strung in clusters to make necklaces.
- pula — a seaport in W Croatia, on the Istrian Peninsula.
- puma — cougar.
- puna — a high, cold, arid plateau, as in the Peruvian Andes.