| osa | part |
|---|---|
| osin | partly |
| osinko | dividend |
| osio | section |
| osittaa | to divide, to split |
| osakas | shareholder |
| osakkuus | ownership, shareholding |
| osake | share |
| osakeanti | share issue |
| osakekauppa | share trade |
| osakkeenomistaja | shareholder |
| osakepääoma | share capital |
| osakesijoittaja | stock investor |
| osakeyhtiö | limited company |
| oy | Ltd. |
| osakeyhtiölaki | limited liability company law |
| osaksi | partly |
| osallinen | party, participant |
| osallistaa | to involve, to engage |
| osallistua | to participate, to take part |
| osallistuja | participant |
| osallistuminen | participation |
| osallisuus | participation, involvement |
| osalta | on the part of |
| osaltaan | in part |
| osanen | part |
| osanto | allocation, distribution |
| osoittaa | indicate, show |
| osoite | address |
| osoitin | pointer |
| osoitus | indication, proof |
| kohteliaisuudenosoitus | compliment |
| osoittautua | to turn out |
| osoittaa suosiota | show approval, show support |
| osasto | department, ward |
| endokrinologian osasto | endocrinology department |
| fysioterapiaosasto | physiotherapy department |
| gastroenterologinen osasto | gastroenterology department |
| hammashoito-osasto | dental department |
| ihotautien osasto | dermatology department |
| kardiologinen osasto | cardiology department |
| kardiologinen teho-osasto | cardiac intensive care unit |
| kirurginen osasto | surgical department |
| lastentautien osasto | pediatric department |
| neurologinen osasto | neurology department |
| osastopäällikkö | head of department |
| palovammaosasto | burn unit |
| plastisen kirurgian osasto | plastic surgery department |
| radiologian osasto | radiology department |
| syöpäosasto | oncology department |
| tartuntatautien osasto | infectious diseases department |
| tehtaanosasto | factory section |
| traumatologinen osasto | traumatology department |
| urologinen osasto | urology department |
| osaton | deprived, have-not |
| osittain | partly |
| osittainen | partial |
| osua | to hit, to strike |
| osuma | hit, strike |
| osuus | share, proportion |
| osuuskauppa | cooperative store |
| osuuskunta | cooperative |
| osuuspankki | cooperative bank |
| osuuspankkiryhmä | OP Financial Group |
| osa-aikainen | part-time |
| osa-aikainen kasvisruokavalio | part-time vegetarian diet |
| osa-alue | subarea |
| osakilpailu | partial competition |
| osanottaja | participant |
| osapuoli | party, side |
| osavaltio | state |
| osavuosikatsaus | interim report |