Vocabulary consisting only from characters you are able to read
考古学
koukogaku
archaeology, archeologymix
投入
tounyuu
(1)throwing (e.g. something into somewhere), (2)investment, putting in (personnel, etc.), (3)release of a product, (4)making (an electrical circuit) suru
お持て成し
omotenashi
(uk) hospitality, entertainment, servicemix
大部分
daibubun
most part, greater part, majoritymix