Over 35,000 words in Welsh-English records with some synonym notes compiled with the assistance of Angela Bennet Ysgol Uwchradd Y Drenewydd, for the software 'Dysgiadur Brawddegu Rhyngweithiol' 1986 for schools and adult learners ( e.g. 'as a second language' ) Developed with the assistance of Y Swyddfa Gymreig - Welsh Office & MEU Cymru, and the kind cooperation of many.