How much and how easily: ほど vs くらい, the more-the-more ば〜ほど, すぎる, やすい/にくい, っぽい and がる.
〜くらい / 〜ぐらい N / V-plain / A + くらい(ぐらい)
Noun / V-plain / adjective + くらい・ぐらい. Gives an approximate amount or shows the degree of something ("about", "so … that", "at least").
駅まで十分くらいかかります。 It takes about ten minutes to the station.
〜ほど N + ほど + ...ない; V-dict/い-adj + ほど + clause
N / V-dict + ほど. With a negative, 'not as ... as X'. With a positive, 'to the extent that', showing a degree.
今年は去年ほど暑くない。 This year isn't as hot as last year.
〜ば〜ほど V-ば + V-dict + ほど; い-adj-ければ + い-adj + ほど; な-adj-なら + な-adj-な + ほど
V-ば + V-dict + ほど / い-adj-ければ + い-adj + ほど. Means 'the more X, the more Y'. The same verb or adjective is repeated.
練習すればするほど、上手になります。 The more you practice, the better you get.
〜すぎる V-stem / A-i(−い) / A-na + すぎる
V-stem / A-i stem / A-na + すぎる. Means "too much / excessively".
昨日は食べすぎてお腹が痛い。 I ate too much yesterday and my stomach hurts.