爬行 is read as はこう (hakou) and means creeping.
はこう
hakou
はこうせい
sluggishness
はちゅうるい
reptiles
しっこう
execution
しこう
carrying out (a plan, policy, etc.)
やこう
night train
だこう
meandering
じっこう
execution (of a program)
しゅぎょう
ascetic practices
しんこう
progression (e.g. chord progression)
はっこう
issue (of banknotes, bonds, passport, etc.)
りゅうこう
prevalence (of a disease)
だいこう
acting as agent