To be tested on 10th January 

knife, knight, knowledge, knuckle, mnemonic, pterodactyl, wreath, wreckage, wrestler, writer

To be tested on 17th January

ascend, autumn, build, disciple, doubt, island, lamb, receipt, solemn, thistle

To be tested on 24th January

ancient, amateur, awkward, criticise, equipment, excellent, foreign, pronunciation, symbol, yacht

To be tested on Thursday 30th January

society, deficient, efficient, emergencies, glacier, inefficient, science, scientists, species, sufficient

To be tested on 7th February

caffeine, conceive, deceive, either, neither, perceive, protein, ceiling, receive, seize

To be tested on 14th February

afterthought, bought, brought, fought, nought, ought, sought, thought, thoughtfulness, wrought