Through the years Google has made various applications accessible to public. Some platforms can be used heavily in academic (and not only) research.
Compare various terms for the frequency of use in the world wide web on a daily level since 2004. The terms the user might choose are infinite, the Search volume index can be downloaded in a CSV for further statistical processing. Also there are; time, regional, city, and language based filters than can applied for deeper analyses.
Like google Trends but more analytical and provides additional filters.
3. Ngram Viewer
Look the frequency of use of selected terms in printed literature since 1800.
Software for filtering and beautifying messy data.
5. Fusion Table
Upload your data and create a fusion table simply and easily.
6. Chart Tool
Making charts was never that simple.
Visualise search quary patterns.
Search for terms that correlate in search quaries. You can even upload your own time series and check the correlation of the desireble terms against the dataset.