Not really, although both are Abrahamic faiths.
JUDAISM
- says that no human can ever die for the sins of others
CHRISTIANITY
- says that Jesus died for the sins of mankind
JUDAISM
- says that all humans are born pure, and innocent
CHRISTIANITY
- says that all humans are born with 'original sin'.
JUDAISM
- says that G-d would never allow/enable a 'virgin birth'
CHRISTIANITY
- says that Mary gave birth, though a virgin
JUDAISM
- says that no man gets a 'second coming'
CHRISTIANITY
- says that Jesus will have a 'second coming'
JUDAISM
- says that every human should speak directly to G-d
CHRISTIANITY
- Jesus claims in the 'new testament' that the 'only way' to G-d is via him
JUDAISM
- says G-d is one, indivisable, cannot be separated into three aspects/incarnations
CHRISTIANITY
- speaks of the Father, the Son, and the Holy Spirit
JUDAISM
- says that we are ALL equally G-d's children
CHRISTIANITY
- says that Jesus was 'god's son' above all others
JUDAISM
- has no concept of 'hell'
CHRISTIANITY
- *some* Christians non believers to 'hell'
JUDAISM
- has no 'devil', the Jewish 'satan' is just an ordinary angel, under G-d's control
CHRISTIANITY
- describes 'satan' as a devil and 'fallen' angel
JUDAISM
- the 'messiah' will be a normal, mortal man who must fulfill all the Jewish messianic prophecies in one normal, mortal lifetime
CHRISTIANITY
- Jesus was the 'messiah' and will fulfill the prophecies when he 'returns'
JUDAISM
- says that the righteous of ALL faiths will reach 'gan eden' or 'garden of eden'.
CHRISTIANITY
- *some* Christians insist that only those who 'know Christ' can reach heaven
JUDAISM
- forbids Jews from trying to convert anyone to Judaism; we do not actively seek out converts, but welcome converts to Judaism; it is then forbidden to remind a convert of their former status.
CHRISTIANITY
- believes in actively 'witnessing' and encouraging people to convert to Christianity
Also, Lent is a specific time period, whereas Kosher is a way of preparing food, killing food (cows, chickens, etc.), and preparing food (the kitchen and dishes/pans/etc. around you) as well as eating the food (no pork, etc.)
BTW - we do not view Jesus as a prophet (although Islam does); for those of use that believe he did exist, he was a radical young man among many radical young men at that time.