There are a total of 196 8-letter words containing 'ica', and the number may vary in different dictionaries. You can specify the dictionary and order.

• abapical ₁₈
• abdicate ₁₅
• aldicarb ₁₆
• alogical ₁₅
• amicable ₁₈
• amicably ₂₀
• angelica ₁₅
• apically ₁₈
• arabicas ₁₄
• armonica ₁₅
• atomical ₁₅
• atypical ₁₇
• barbican ₁₈
• basilica ₁₅
• biblical ₁₉
• bicaudal ₁₇
• biotical ₁₅
• botanica ₁₅
• brassica ₁₄
• cervical ₁₉
• chemical ₂₀
• chicaned ₁₈
• chicaner ₁₇
• chicanes ₁₇
• chicanos ₁₇
• cicatrix ₂₁
• clerical ₁₆
• clinical ₁₇
• cortical ₁₅
• cosmical ₁₈
• critical ₁₅
• cyclical ₂₁
• dedicate ₁₃
• deifical ₁₆
• delicacy ₁₈
• delicate ₁₃
• dicastic ₁₅
• digicams ₁₇
• duncical ₁₈
• efficacy ₂₂
• epically ₁₈
• epicalyx ₂₄
• epicarps ₁₇
• erotical ₁₂
• ethicals ₁₄
• ethnical ₁₅
• farcical ₁₈
• florican ₁₆
• fornical ₁₆
• fricando ₁₆
• gallican ₁₆
• gestical ₁₄
• gnomical ₁₈
• handicap ₁₈
• haptical ₁₇
• hectical ₁₇
• hepatica ₁₆
• heroical ₁₄
• iatrical ₁₂
• iconical ₁₆
• indicans ₁₄
• indicant ₁₄
• indicate ₁₃
• inimical ₁₆
• irenical ₁₃
• ironical ₁₃
• japonica ₂₄
• jerrican ₂₁
• judicata ₂₂
• laconica ₁₆
• laically ₁₆
• loricate ₁₂
• lubrical ₁₇
• maiolica ₁₅
• majolica ₂₄
• medicaid ₁₆
• medicals ₁₆
• medicare ₁₅
• medicate ₁₅
• melodica ₁₆
• meticais ₁₄
• meticals ₁₅
• metrical ₁₅
• micawber ₂₀
• minicabs ₁₈
• minicamp ₂₁
• minicams ₁₈
• minicars ₁₅
• multicar ₁₆
• muricate ₁₅
• musicale ₁₆
• musicals ₁₆
• mystical ₁₇
• mythical ₁₉
• nautical ₁₄
• noetical ₁₃
• nudicaul ₁₆
• oiticica ₁₄
• opticals ₁₅
• orphical ₁₇
• papricas ₁₇
• pedicabs ₁₈
• pedicate ₁₅
• pelicans ₁₆
• pemicans ₁₈
• pemmican ₂₁
• pericarp ₁₇
• physical ₁₉
• picachos ₁₉
• picadors ₁₅
• picaroon ₁₅
• picayune ₁₈
• plicated ₁₆
• poetical ₁₅
• pollical ₁₇
• publican ₂₀
• radicals ₁₃
• radicand ₁₄
• radicate ₁₂
• replicas ₁₅
• rubrical ₁₆
• rustical ₁₃
• scenical ₁₆
• sciatica ₁₄
• septical ₁₅
• silicate ₁₂
• silvical ₁₇
• sonicate ₁₂
• spicated ₁₅
• statical ₁₂
• sterical ₁₂
• subvicar ₁₉
• surgical ₁₅
• suricate ₁₂
• swastica ₁₄
• syndical ₁₆
• tactical ₁₅
• taxicabs ₂₁
• thetical ₁₄
• toxicant ₁₉
• tragical ₁₄
• tricasts ₁₁
• tropical ₁₅
• tunicate ₁₃
• turrical ₁₃
• urticant ₁₃
• urticate ₁₂
• veronica ₁₆
• vertical ₁₆
• vesicant ₁₆
• vesicate ₁₅
• viatical ₁₆
• vicarage ₁₇
• vicarate ₁₅
• vicarial ₁₆
• vortical ₁₆
• dicambas ₁₅
• eroticas ₁₀
• formicas ₁₅
• gallicas ₁₁
• judicare ₁₈
• linguica ₁₁
• medicant ₁₃
• topicals ₁₂
• abdicant ₁₃
• alicants ₁₀
• apricate ₁₂
• chicanas ₁₅
• colchica ₁₇
• dedicant ₁₂
• dicacity ₁₆
• dromical ₁₃
• emetical ₁₂
• emicated ₁₃
• emicates ₁₂
• etypical ₁₅
• fistical ₁₃
• fricadel ₁₄
• hellicat ₁₃
• hicatees ₁₃
• hoolican ₁₃
• mericarp ₁₄
• micating ₁₃
• mohicans ₁₅
• muticate ₁₂
• picamars ₁₄
• picarian ₁₂
• plicates ₁₂
• postical ₁₂
• poticary ₁₅
• pumicate ₁₄
• radicant ₁₁
• tritical ₁₀
• uricases ₁₀
• vicaress ₁₃
• vicaries ₁₃

There are 196 8-letter words containing ica in the well-known word game dictionary, 157 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 186 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 156 in the Words with Friends (WWF) dictionary.