In all cases, Biden searches are represented by the blue line, Trump searches is represented by a red line. The dotted lines at the end of the some of the graphs represent Google's “forecast” of how often the terms will be searched for in the near future. Fitness for office issue searches> Biden vs. Trump: Unstable Source

Biden vs. Trump: Unfit Source

Biden vs. Trump: Too old Source

The two septigenarians are about equal on the "too old" front. Biden vs. Trump: Dementia Source

Dementia is a more promising line of attack for Trump to use against Biden. Biden vs. Trump: Health Problems Source

Biden vs. Trump: Mental Problems Source

Criminal, ethical and moral issue searches Biden vs. Trump: Liar Source

Biden vs. Trump: Corruption Source

Biden vs. Trump: Rape Source

Biden vs. Trump: Sexual Assault Source

The rape and sexual assault lines of attack worked against Biden as Tara Reade rolled out her salacious accusations against Joe Biden which culminated in an accusation of digital penitration. The searches related to Biden petered out when Reade's credibility was vetted. Bringing up anything to do with inappropriate sex hurts Trump more than Biden. Trump himself has steered clear of the topic. Biden vs. Trump: Racist Source

Biden's name was connected to the term "racist" mostly after his "you ain't Black" interview with Charlamagne Tha God. But Trump trumped him quickly in that category with his not so empathetic reaction to George Floyd's death and the subsequent protests.